Complete the sentences with the correct form of can, must or have to. 1We
finish this work before Friday. That's great!
2The teacher says we leave early today because we worked really hard this morning.
3You touch that dog. It's dangerous.
4I
get on that website because I haven't got a password.
5My dad
work on Saturdays so we do the shopping on Sundays.
6I
be late again! The teacher was very angry with me today.
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1. We have to finish this work before Friday. That's great!
Explanation: "Have to" is used to express a necessity or obligation. In this case, it is necessary for us to finish the work before Friday.

2. The teacher says we can leave early today because we worked really hard this morning.
Explanation: "Can" is used to express permission or ability. In this case, the teacher is giving us permission to leave early because we worked hard.

3. You must not touch that dog. It's dangerous.
Explanation: "Must" is used to express a strong obligation or prohibition. In this case, it is strongly prohibited for you to touch the dog because it is dangerous.

4. I can't get on that website because I haven't got a password.
Explanation: "Can't" is the contraction of "cannot," which is used to express inability or impossibility. In this case, it is impossible for me to get on that website because I don't have a password.

5. My dad has to work on Saturdays, so we do the shopping on Sundays.
Explanation: "Has to" is used to express a necessity or obligation. In this case, it is necessary for my dad to work on Saturdays, so we have to do the shopping on Sundays.

6. I must not be late again! The teacher was very angry with me today.
Explanation: "Must not" is used to express a strong prohibition. In this case, it is strongly prohibited for me to be late again because the teacher was very angry with me today.