Verb To Be
Simple Tenses
Continuous Tenses
Perfect Tenses
Modals
100
Are they angry?
Yes, they are.
100
Do they play football?
No, they don't.
100
Is it raining?
No, it isn't.
100
Have they finished the race?
No, they haven't.
100
Can you swim?
Yes, I can. // No, I can't.
200
Is New York in China?
No, it isn't.
200
Does she like salads?
No, she doesn't.
200
Are they playing tennis?
Yes, they are.
200
Have they visited the Taj Mahal?
Yes, they have.
200
Can they ride bicycles?
Yes, they can.
300
Are you a student?
Yes, I am.
300
Did they visit the library yesterday?
No, they didn't.
300
Is he working at the moment?
No, he isn't.
300
Have you ever been to Jupiter?
No, I haven't.
300
Can penguins fly?
No, they can't.
400
Is she tired?
No, she isn't.
400
Will it be sunny tomorrow?
Yes, it will.
400
Is she buying trainers?
Yes, she is.
400
Has she finished her homework?
No, she hasn't.
400
Must you stay calm during an accident?
Yes, I must. // Yes, we must.
500
Is it autumn?
Yes, it is.
500
Will he water the plants tomorrow?
No, he won't.
500
Are you taking a Spanish class right now?
No, I am not.
500
Has he found his glasses?
No, he hasn't.
500
Should you accept things from strangers?
No, I shouldn't. // No, we shouldn't.