Ex. 50. use the simple present , present continuous, or simple past form of each verb in brackets. 1. a: valerie … now ? (cook) b: no, she’s not. she (cook) yesterday. bob (cook) now. valerie (cook) … every other day. 2. a: yolanda is a hardworking student! it’s midnight and she … still … (study). she (study) all last weekend, too. b: i think she (study) every day of the year 3. a: don’t wash the curtains. you (wash) them last week. b: i (wash, not) the curtains now. i (sew) them. there’s a small rip on the bottom. 4. a: it (snow) a lot last night. how are the streets? b: i don’t know. call dad at the office. he (walk) to work this morning. a: okay. 5. a: gail is in the hospital. she (call) me yesterday. b: i know. i (visit) her last night. a: oh, that’s good. laura (visit) her now, and i (want) to visit her this afternoon. 6. a: … you (want) to walk to the park now? b: no, i (walk) five miles before lunch. i’m tired now. 27 7. a: what … she (do) now? b: she (bake) more cookies. she (bake) cookies yesterday, but we (finish) them last night. 8. a: … you (talk) to bob now? i (need) to tell him something. b: no, i (talk) to juan. i (talk) to bob an hour ago. 9. a: you look tired today. b: i am. ellen (call) me at six o’clock in the morning. a: … you (joke) ? why? b: she (want) to borrow my sweater.

1. A: is Valerie …cooking  now ? (cook) B: No, she’s not. She cooked (cook) yesterday.
Bob is cooking (cook) now. Valerie cooks (cook) … every other day.
2. A: Yolanda is a hardworking student! It’s midnight and she is  …
still …studying  (study). She (study) .studied .. all last weekend, too. B: I think she
studies (study) every day of the year
3. A: Don’t wash the curtains. You (wash)washed  ... them last week.
B: I am not washing (wash, not) ... the curtains now. I am sewing (sew) ... them. There’s a
small rip on the bottom.
4. A: It (snow) .snowed .. a lot last night. How are the streets? B: I don’t
know. Call Dad at the office. He walked  (walk) ... to work this morning.
A: Okay.
5. A: Gail is in the hospital. She (call) called ... me yesterday.
B: I know. I (visit) .visited .. her last night. A: Oh, that’s good. Laura (visit)is visiting 
... her now, and I (want) want ... to visit her this afternoon.
6. A: do … you  want (want) to walk to the park now? B: No, I  walked (walk) ...
five miles before lunch. I’m tired now.
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7. A: What is … she  doing (do) now? B: She is baking  (bake) ... more cookies. She
(bake) ...baked  cookies yesterday, but we finished (finish) ... them last night.
8. A: …are  you talking  (talk) to Bob now? I (need) .need .. to tell him something.
B: No, I am talking (talk) to Juan. I  talked (talk) to Bob an hour ago.
9. A: You look tired today. B: I am. Ellen  called (call) ... me at six
o’clock in the morning. A: … are you (joke) joking ... ? Why? B: She wanted (want) to borrow my sweater.

1. Is Valerie cooking now? B: No, she’s not. She cooked yesterday. Bob is cooking now. Valerie cooks every other day.
2. A: Yolanda is a hardworking student! It’s midnight and she is still studying. She was studying all last weekend, too. B: I think she studies every day of the year.
3. A: Don’t wash the curtains. You washed them last week. B: I am not washing the curtains now. I am sewing them. There’s a small rip on the bottom.
4. A: It snowed a lot last night. How are the streets? B: I don’t know. Call Dad at the office. He has walked to work this morning. A: Okay.
5. A: Gail is in the hospital. She called me yesterday. B: I know. I visited her last night. A: Oh, that’s good. Laura is visiting her now, and I want to visit her this afternoon.
6. A: Do you want to walk to the park now? B: No, I walked five miles before lunch. I’m tired now.
7. A: What is she doing now? B: She is baking more cookies. She had baked cookies yesterday, but we finished them last night.
8. A: Are you talking to Bob now? I need to tell him something. B: No, I am talking to Juan. I talked to Bob an hour ago.
9. A: You look tired today. B: I am. Ellen called me at six o’clock in the morning. A: Are you joking ? Why? B: She wanted  to borrow my sweater.