Modal verbs
Ability: they/swim
They can swim.
Sue studies English on Mondays.
What does she study?
They are swimming in the river.
What are they doing in the river?
I have been to Río three times.
Where have you been?
Go (3º C)
gone
Prohibition: you/ smoke/here
You mustn't smoke here.
Tom runs 10 km every day.
How often does Tom run?
He is playing basketball at the club at the moment.
Where is he playing basketball?
I have done the homework.
What have you done?
Be (2º C)
was/were
Permission: I/use your pencil
May I use your pencil?
They bake cakes on Fridays.
When do they bake cakes?
She is painting her room pink.
What colour is she painting her room?
She's bought three books?
How many books has she bought?
Buy (3º C)
Bought
Future: it/ rain/tomorrow
It will rain tomorrow.
Celia speaks French very well.
How does she speak French?
They are sleeping because they are very tired.
Why are they sleeping?
They have drawn green dogs.
What have they drawn?
Think (2º C)
Ability in the past: I/speak Chinese / 3 years old
I could speak Chinese when I was 3 years old.
She lives in Denmark.
Where does she live?
I am reading a book now.
What are you reading now?
I have written a short story.
What have they written?
have (3º C)
had