wait
waited
He ___ speak 3 languages.
He can speak 3 languages.
eat
ate
I went ___ school yesterday.
I went to school yesterday.
Is not
want
wanted
In my opinion, you ____ study more.
In my opinion, you should study more.
went
I was ___ home when the storm started.
I was at home when the storm started.
Can not
Can't
scream
screamed
He ___ come to the party tomorrow, we don't know yet.
He might/may come to the party tomorrow, we don't know yet.
was (I/he/she/it)
were (they/were)
Don't call her, she's ___ class right now.
Don't call her, she's in class right now.
She is
She's
smile
smiled
She ____ travel if she had enough money.
She would travel if she had enough money.
think
thought
The classroom is ___ the third floor of the building.
The classroom is on the third floor of the building.
You are
You're
watch
watched
You _____ arrive to work on time, otherwise they will fire you.
You must arrive to work on time, otherwise they will fire you.
teach
taught
He was on vacation in Mexico ____ two weeks.
He was on vacation in Mexico for two weeks.
Do not
Don't