Modal Verb Have to
Table of Contents
Exercises
Explanation
Use “have to”:
Present (Now)
Use have to or has to to talk about what is necessary now.
Example: 
I have to go to work at 8 o’clock.
She has to wear a uniform at school.
We have to finish this project today.
They have to take the bus to school.
Past (Before Now)
Use had to to talk about something necessary in the past.
Example:
I had to get up early yesterday.
We had to clean the house before the guests came.
He had to visit the doctor last week.
Future (Later)
Use will have to to talk about something that will be necessary in the future.
Example:
I will have to study hard for the exam.
You will have to call me tomorrow.
They will have to leave early to catch the train.
Negative (Not Necessary)
Use don’t/doesn’t have to or didn’t have to to say that something is not necessary.
Example:
You don’t have to come if you’re busy.
He doesn’t have to wear a tie at work.
We didn’t have to cook dinner — we ordered pizza.
Questions
Use Do/Does/Did/Will + subject + have to + verb?
Example:
Do you have to work on weekends?
Does she have to pay for the ticket?
Did they have to walk home last night?
Will I have to wait long?
Form Summary
| Time | Form | Example | 
| Present | have to / has to | He has to study English. | 
| Past | had to | We had to leave early. | 
| Future | will have to | I will have to get up at 6 a.m. | 
| Negative | don’t/doesn’t/didn’t have to | You don’t have to hurry. | 
| Question | Do/Does/Did/Will + have to | Do we have to pay now? | 
Tip
- 
Have to = rule or situation (outside control) 
 I have to wear a helmet at work.
- 
Must = personal feeling or strong opinion 
 I must call my friend tonight.
 
                            