Every friday I... to buy fruit,vegetables,milk...
Shop for food

It's compulsory to go to school
you must go to school
Something that happens from one moment to another
Suddenly
He was able to swim very fast
He ...... swim very fast
He could swim very fast
Modal verb that we use to give advice
Should/ ought to
Cleaning the dishes wirh your hands
Wash the dishes

You don't have to buy a present
Very clever
Smarter/ smart
If were you, I would buy a cat
I think that you.... buy a cat
I think that you should buy a cat
It's not necesary to make the homework
You don't have to make homework
Put the dirty dishes in a mashine
Load the dishes
It's prohibited to drink alcoholic drinks under 18.
I have 13 years old and I can't drink alcoholic drinks.
Sarah and her husband were always ________ to each other.
Loyal.
My advice is study for the exam.
You ______ study for the exam.
Should.
It's compulsory to go to school
When you clean the floor with an electric machine.
Vacuum the floor.

It's prohibited use the mobile phone in high school.
You musn't use the mobile phone in high school.
Person who likes to help.
Helpful.
It's not a good idea to do the exercices.
You ______ do the exercices.
Shouldn't.
How do you express abilities in present?
Can/ Be able to
Person who likes waking-up early in the morning.
A morning person.

It's allowed to drink water in class.
We can drink water in class.
Synonym of possibility.
Perhaps.
When I was younger I was able to swim.
When I was younger I ____ swim.
Could.
How do you express abilities in past?
Could/ Was-were able to