Grammar- should / have to / must

Should- if I do this, the result

will be good

Should = Ought

Have to- if I dont do this, the result will be bad.
We usually say "have to" for something we dont want to do

Have to = must = need to

Must- must is old fashioned and almost never used

*****

Practice: (choose Have to / Should / Must )

Ex) I'm so tired but I _________ do my homework.
Answer: have to

1) I _______ go to bed early so I can work hard tomorrow.

2) I ________ go home now or my mom will kill me.

3) You __________ exercise every day if you want to stay in shape.

4) I hate exercising, but I know I __________ do it.

5) Unfortunately, I _______ travel a lot for work so I'm never home.

***

I post lessons every day