3. Fill in each blank with can , can't, could or couldn't:

1. Robots now....... help astronauts perform very difficult tasks.

2. ........ robots recognise our voices five years ago ?

3. I read the book three times, but I .... understand it.

4. I ...... remember his name. Do you know it ?

5. 10 years ago my grandpa ..... ride a horse, but now he can't

6. Our daughter .... read until she was 7 years old.

7. Sorry, I..... help you. I must do my homework!

8. Mozart ....... play the piano when he was only 5 years old

9. We ............ buy any bread because the baker's was closed

10. Jeanny ........... help you plant vegetables. She knows a lot about gardening.

Complete the sentences with the correct present continuous affirmative or negative of the verbs in brackets

1. Where are you, Phong?- I'm upstairs. I [do]................................................ my homework

2. Shh! They [study]...............................................  in the library

3. Now we [have]........................................... an English lesson with Mrs. Nga 

4. He isn't in his bedroom. He [play]............................ in the garden

5. We can't go out now. It [rain]...................................

Ex1   Fill in the blanks with PRESENT CONTINUOUS or SIMPLE PRESENT:

1. The children ………………………….. (play) outside now.

2. She usually ………………………. (read) the newspaper in the morning.

3. I …………………………… (do) my homework now.

4. I ………………………… (eat) my dinner now.

5. ……………………………. (you / want) a pizza?

6. They …………………………….. (watch) TV now.

7. I ……………………………. (not / like) spaghetti.

8. The baby …………………………. (sleep) now.

9. My mother usually …………………. (cook) dinner in the evening.

10.        He …………………….. (write) a letter to his pen-friend every month.

11.        She  ………………………. (not / like) football.

12.        Mary ………………………….. (listen) to music now.

13.        Tom usually ……………………(drink) coffee, but he …………………. (drink) tea now.

14.        We ………………………. (go) to the disco tonight.

15.        ………… (he / go) to work by bus everyday.

 16.       Look! Jane ………… (sing) again. She often ……….. (sing) this song.

17.        My father ……………(have) a lot of work to do every weekend.

18.        The girls …  (not / talk) now. All of them ……… (watch) a film.

19.        …… you….. (like) watching TV?

20.        He ….. (usually / go) at 9:00 o’clock, but this morning he .. (leave) home late.

21.        I …. (visit) my grandparents every Friday. My sister ……. (often / visit) them.

22.        The boys …….. (swim) in the pool now but they …… (usually / swim) in the sea.

23.        She …….(write) a letter to her pen-friend at the moment.

24.        They .. (sometimes / have) lunch at work, but today they …. (have) at a restaurant.

25.        She can’t talk to you. She ……………. (have) a shower.

Ex2 Read the text carefully and answer the questions:

       Right now I am looking at a picture of Barbara. She is not at home in the picture. She is at the park. She is sitting on a bench. She is eating her lunch. Some boys and girls are running on a patch in the park. A squirrel is sitting on the ground in front of Barbara. The squirrel is eating a nut. Barbara is watching the squirrel. She always watches squirrels when she eats her lunch in the park. Some ducks are swimming in the pond in the picture, and some birds are flying in the sky. A policeman is riding a horse. He rides a horse in the park every day. Near Barbara, a family is having a picnic. They go on a picnic every week.

a. Where is Barbara in the picture?

b. What is she doing?

c. What is the squirrel doing in the picture?

d. What does Barbara always do when she has lunch in the park?

e. What are the ducks doing?

f. How often does the policeman ride his horse?

g. How often does the family have a picnic at the park?