have to,has to, had to, have to and must
Terms used
Subject : In a sentence we speak about someone or something. The someone or something is called subject. (eg. I, we, you, they, he, she, it, nouns,pronouns, collective nouns, common nouns, proper nouns, noun phrases etc)
Noun phrase: Mt. Everest is in Asia. (Mt. Everest = noun)
Mt. Everest the Highest peak in the world is in Asia. ( Mt Everest the highest peak in the world = noun phrase
‘yes/no’ question: The question for which the response is either 'yes' or 'no'
'wh' word question: The question for which there is a complete response.
Present form of the verb : A verb has several form present, past , past participle etc. (go/goes is the present form of the verb go its past form is went and past participle form is gone.- for more explanation please visit the grammar page.)
Shortened form of I have = I’ ve
have /has to usage
We use have to/has to, when there is a necessity, obligation or compulsion to do something (I have tooth ache I have to see a dentist). Please note that the two worlds have and to together form a single unit here to doesn’t play the role of a preposition (in this usage). The close relative of have to is must. have to/has to is used in the present and future contexts. (I have meeting now = present, I have meeting tomorrow = future)
Sentence pattern
Structure - have to
I/we/you/they + have to + present form of the verb + information- simple sentence. (message, news, information).
I have to see a dentist today
I/we/you/they + don’t + have to + Present form of the verb + information. – negative sentence. . (message, news, information).
I don’t have to see a dentist today .
Do + I/we/you/they + have to + information? – yes/no question.
Do I have to see a dentist today?
Don’t I/we/you/they + have to + present form of the verb.+ information?– yes/no negative question.
Don’t I have to see a dentist today ?
‘wh’ word +do + I/we/you/they +have to + Present form of the verb + informatin?- ‘wh’ question
when do I/we/you/they have to see the dentist ?
Structure - has to
He/she/it + has to + Present form of the verb + information. simple sentence-(message, news, information)
He has to see a dentist today .
He/she/it + doesn’t + have to + present form of the verb + information. . – negative sentence. . (message, news, information).
He doesn’ t have to see a dentist today.
Does + he/she/it + have to + present form of the verb + information. – yes/no question?
Does he have to see a dentist today?
Doesn’t + he/she/it + have to + present form of the verb + information. – yes/no negative question?
Doesn’t + he + have to + see a dentist today?
‘wh’ word + does + he/she/it + have to + present form of the verb + information.? - ‘wh’ question
What time/when does he/she/it have to see the dentist today?
NOTE: Here I/we/you/they/he/she/it are subjects.
He/she/it include nouns, common nouns, proper nouns, collective nouns, noun phrase etc.
All the five types can be uttered in eight or more moods of utterance.
I/We in questions are used in arguments or in appropriate contexts
Usage in context
I have to see a dentist today, I have too much pain in my tooth.
I don’t have to see a dentist today, he is coming to my home.
Do I have to see a dentist today? Yes you have to , tomorrow is a holiday.
Don’t I have to see the dentist today? You don’t have to , he will be here soon.
What time do I have to see the dentist? He is ( or will be ) available from 6 to 8 in the evening.
(In informal talk do is dropped.)
Must and have to ( Difference)
The attendance is compulsory, you must attend the class or = You have to attend the class.
It’s is fantastic place you, you must visit the place = You have to visit the place.
MORE SENTENCES
In many countries the college students have to do compulsory social service (highlighted words = noun phrase).
Paul won’t be in office tomorrow, He has to go to the doctor. (The highlighted to is a preposition)
Does Julia have to work on Sundays?
Jim doesn’t have to work in the night shift . He started his own business.
At the end of the class all have to watch a slide show.
Rachel is studying medicine, she has to read a lot of books.
It’s 10 , She has to go now.
They have to answer all the questions before the jury.
They have to work for four hours a day.
She doesn’t have to pay the fees, she is eligible for scholarship.
Don’t you have to see the doctor now it’s already late?
Do I have to come early tomorrow?
Do you often have to travel by air?
Have to/has to + be (advice or caution) – informal talk
Jack has to be cautious while dealing with customers. (Otherwise customers will turn away.)
One has to be patient while filling an applications.
You have to be very careful while driving on high speed motorways.
You have to be magnanimous while dealing with peasants. (Peasants are mostly poor)
They have to be here before Monday, otherwise they will loose their chance.
When do you have to be back here ? in about two hours.
have to/has to in the press/news/headlines
NOTE: we have used noun, adjective and verb after have to these are not part of this session, they are used here to balance the sentence.
The president has to persuade republicans to win their approval for the new bill.
The nation has to endure the recession for another six months.
The United nation has to rush food aid to many poor African nations: UN chief
The rich (nations) have to be magnanimous in their contribution, says UN chief.
The Prime minister has to cancel his foreign trip due to bad weather.
Have/has + got to - usage
Excuse me, I have got to go home now, my mom is waiting.
When have you got to be back here? = When do you have to be back here ?
I have got to get up at four in the morning, I must report headquarter at 8 o’ clock.
Have/has to in ads
You don’t have to walk on rocks now – we have launched cushioned boots and footwear.
Feather touch leather – Perth , www. Feathers.com
Have to endure back breaking journey? – try this new four seater heaven – wifi enabled
Dams motor Cape town 090 7878765437.
Have you got to pay through your nose – beat the rising fuel cost, use our wonderfuel – high mileage per liter.
For free trial please contact ,Amazon bio-fuels 080 5544663388
had to usage
We use had to when there is a necessity, obligation or compulsion to do something in the past.(e.g. The train was late last night, I had to wait for three hours at the station, ).
Sentence pattern ( Five types of spoken sentences)
I/we/you/they/he/she/it + had to + Present form of the verb + information – simple sentence (message/ news/information etc).
We had to work on Sunday. (previous week.)
I/we/you/they/he/she/it + didn’t + have to + present form of the verb + information – negative sentence.
We didn’t have to work on Sunday. (previous week)
Did + I/we/You/they/he/she/it + had to + present form of the verb + information – ‘yes/no’ question.
Did you have to work on Sunday? (previous week)
Didn’t I/we/you/they/he/she/it + have to + present form of the verb + information. – negative ‘yes/no question.
Didn’t you have to work on Sunday? (previous week)
‘wh’ word + did + I/we/you/they/he/she/it + have to work – ‘wh question’
What day she had to work? - rare
NOTE: Did+ have = had
He/she/include nouns, pronouns, common nouns, proper nouns, collective nouns, noun phrases etc.
All the above five types can be spoken in eight or more moods of utterance.
Did/didn't + I/we in questions form are used in arguments or in appropriate situations.
More sentences
She had to work and study when she was 15 (years old).
We had to walk home yesterday. There were no trains or buses.
When we were in Siberia we had to keep the heaters on throughout the day.
She had to walk three k.ms to school when she was ten.
The army had to retreat due to fierce resistance from the rebels.
Had to in news headlines.
Secretary of state had to cut short his stay in Moscow, on account of national calamity.
Home land minister had to intervene, to diffuse the crisis in his department.
We had to go without food for three days : Released hostages
Will have to
Will have to = must - (Compulsion to do something in future)
When you leave the college you will have to find the job. (The college won't help you)
You can take my Toyota but you will have to bring it back before at 10.
Julia will have to get permission to buy a flat. ( It is mandatory in her department)
Immigrants will have to produce identity at the check point – (Notice board)
You will have to cross the lake by a motor boat. (The road ends there.)
You won’t have to pay additional tax if you are a citizen of this country – (Notice in the air port)
NOTE: In informal talk we usually use have to instead of will have to
No comments:
Post a Comment