What are you doing tomorrow?
We use am / is / are + -ing (present continuous) for something happening now. * Where are Tina and Helen? They're playing tennis in the park. * Please be quiet. I am working. We also use am / is / are + -ing for the future (tomorrow / next week etc):
can and could
I can do something = I know how to do it, or it is possible for me to do it * I can play the piano. My brother can play the piano too. * Sarah can speak Italian, but she can't speak Spanish. * A: Can you swim? B: Yes, but I'm not a very good swimmer.
must - mustn't - don't need to
I must (do something) = I need to do it: * I'm very hungry. I must eat something. * It's fantastic film. You must see it. * The window are very dirty. We must clean them. For the past (yesterday / last week etc..), We use had to.. (not must):
should
You should do something = it is a good thing to do, it is the right thing to do: * Tom doesn't study enough. He should study harder. * It's a good film. You should go and see it. * When you play tennis, you should always watch the ball.
I have to
I will be late for work tomorrow. I have to go to the dentist. * Jane starts work at 7 o'clock, so she has to get up at 6. * You have to pass a test before you can get a driving licence. The past (yesterday / last week etc) is had to...:
Would you like...? I'd like...
Would you like...? = Do you want...? We use Would you like..? to offer things. * A: Would you like some coffee? B: No, thank you. * A: Would you like a chocolate? B: Yes, please.
Do this! Don't do that! Let's do this!
We use come / look / go / wait / be etc. When we tell somebody to do something. * Come here and look at this! What is it? * I don't want to talk to you. Go away! * I'm not ready yet. Please wait for me. * Please be quiet. I'm working.
I used to...
Dave used to work in factory. Now he works in a supermarket: Dave used to work in a factory = he worked in a factory before, but he doesn't work there now. You can say I used to work... / she used to have... / they used to be... etc:
there is - there are
there is = (there's) is there...? there is not = (there isn't or there's not): * There's a big tree in the garden. * There's nothing on TV tonight. * A: Do you have any money? B: Yes, there's some in my bag.
there was/were - there has/have been there will be:
There was/were - there has/have been / there will be. * There is train every hour. * The time now is 11.15. * There was a train at 11 o'clock. There is nothing on TV tonight * We are staying at a very big hotel. There are 550 rooms.
how to use It....
We use it time / day / distance / weather: O What time is it? O It's half past ten. O It's late. O It's time to go home. O What day is it? O It's Thursday. O It's 16 March. O It was my birthday yesterday. O It's three kilometres from our house to the city center.
i am - i don’t etc
She isn't tired, but he is. (he is = he is tired):
He likes tea, but she doesn't. (she doesn't = she doesn't like tea)
In these examples, it is not necessary to repeat some words ('he is tired', 'she doesn't like ted):