#1
1. As he was driving to work, he remembered that his suitcase was still at home.
2. She was cooking dinner when her husband came home.
3. She was typing a letter when her boss arrived.
4. I heard a lound crash as I was sitting in the garden.
5. While the dog was digging in the garden, It found a bone.
6. Mary was riding her bicycle wwhen she noticed the tiny kitten.
7. When I was doing my homework, the phone rang.
#2
1. She is having an English class now. Is she having an English class now? - Yes, she is.
2.They are thanslating a very intresting article. Are they translating a very intresting article? - No, they are not.
3. He is listening to the news at the moment? Is he listening to the news at the moment? - Yes, he is.
4. The teacher is examining the students? Is the teacher examining the students? - No, she is not.
5. We are working on the important problem. Are you working on the important problem? - Yes, we are.
6. We are playing tennis now. Are you playing tennis now? - No, we are not.
7. They are looking at the picture. Are they looking at the picture? - Yes, they are.
8. I am reading a book now. - Are you reading a book now? - Yes, I am.
#3
1. Margaret is listening to music. Margaret was listening to music. Margaret will be listening to music.
2. We are translating this text. We were translating this text. We will be translating this text.
3. The singer is singing very well. The singer was singing very well. Whe singer will sing very well.
4. I am looking for a post office. I was looking for a post office. I will be looking for a post office.
5. They are doing the morning exercises. They were doing the morning exercises. They will be doing the morning exercises.
6. He is watching TV at the moment. He was watching TV at this moment yesterday. He will be watching TV at this moment tomorrow.