Question

Present Perfect\ Past Simple 1. I ( not yet to eat) today. 2. He (not to eat) yesterday. 3. You (to play) the piano yesterday? 4. You (to play) the piano today? 5. When you (to see) Mary?- I (to see) her last week. 6. He just (to come) home. 6. Look at my dress. I (to make) it myself. 7. I (to do) my lessons yesterday. 8. Look at this birdhouse. Mike (to make) it himself. He (to make) it last Sunday. 9. Where you (to put) my pen? I cannot find it. 10. He (to come ) home a minute ago.

Answer 1

1. I have not eaten today.
2. He didn't eat yesterday.
3. Did you play the piano yesterday?
4. Have you played the piano today?
5. When did you see Mary? - I saw her last week.
6. He has just come home.
6. Look at my dress. I have made it myself.
7. I did my lessons yesterday.
8. Look at this birdhouse. Mike has made it himself. He made it last Sunday.
9. Where have you put my pen? I cannot find it.
10. He came home a minute ago.

Answer 2

Present Perfect and Past Simple Tenses

1. I have not yet eaten today. The use of "have not yet" indicates that the action of eating has not occurred up until the present moment.2. He did not eat yesterday. The use of "did not" indicates that the action of eating did not occur in the past.3. Did you play the piano yesterday? The use of "did" indicates a question in the past simple tense.4. Did you play the piano today? The use of "did" indicates a question in the past simple tense.5. When did you see Mary? - I saw her last week. The use of "did" indicates a question in the past simple tense, and "last week" indicates a specific time in the past.6. He has just come home. The use of "has just" indicates that the action of coming home occurred very recently in the present perfect tense.7. Look at my dress. I made it myself. The use of "made" indicates an action that occurred in the past simple tense.8. I did my lessons yesterday. The use of "did" indicates an action that occurred in the past simple tense.9. Look at this birdhouse. Mike made it himself. He made it last Sunday. The use of "made" indicates an action that occurred in the past simple tense, and "last Sunday" indicates a specific time in the past.10. Where did you put my pen? I cannot find it. The use of "did" indicates a question in the past simple tense.11. He came home a minute ago. The use of "came" indicates an action that occurred in the past simple tense. Please note that the information provided above is based on the usage of the present perfect and past simple tenses in English grammar.