(Simple present)
1. Tom buys chocolate every day.
2. Mary studies every day.
3. Ali speaks English or chats on the internet every night.
4. Mostafa teaches French to the students every other day.
5. He goes to school every morning.
6. Sara gives water to the flowers every morning.
7. Mina goes to college every week.( one day or every day)
8. I go to rasht every year.
9. She often works at the weekend.
10. This type of accident happens often.

(Simple past)

1. I studied my lessons last night.
2. You ate breakfast in the office last morning.
3. I wrote my tests that especially of school last Saturday.
4. I played football at school yesterday.
5. I went to Isfahan last year.
6. We invited them to our party, but they decided not to come.
7. The police stopped me on my way home last night.
8. Did you entertained your guests yesterday?
9. She passed her examination because she studied very hard.
10. I want to go to the café yesterday or last night.

(Simple future)

1. I will study chemistry next year.
2. I am going to go to the travel or (go to the trip) to the Oromiyeh in the next summer.
3. She is going to cook Macaroni tomorrow.
4. He is going to write a letter to his friend.
5. They are going to go to a party tomorrow.
6. I will go to the restaurant tomorrow(night).
7. They will buy a house soon.
8. She will post the letter next week.
9. He will goes to school.
10. I won' t study history next term.

(Present progressive)

1. I am not working at present.
2. I am studying Arabic right now.
3. She is studying MBA at the university or (in the university) at the moment.
4. They are implant the plants just now.
5. You can going to the travel or go to the trip this week.
6. You are working hard now.
7. I am having a sandwich now.
8. She isn't during to work.
9. Listen! The teacher is talking. (but) look! Hear again.
10. He is learning English.

(Past progressive or Past continuous)

1. Mary was learning when they came.
2. I was listening to the tape when the teacher came.
3. What was he doing?
4. She was teaching English when the students sat down.
5. Ha was sleeping when (she,he,it) arrived.
6. What were you doing at 6:00 (o'clock)?
7. I was having breakfast (yesterday).
8. The phone rang when I was watching T.V.
9. While I was driving home, my car broken down.
10. I was reading a book during the week.

(Future progressive)

1. He will be studying when they arrive.
2. I will be giving the water to the flowers when the birds twitter.
3. I will be speaking Greek when the officials and the presidents come to the Greece.
4. I will be cleaning the windows when the spring arrive, in the new year (Norouze).
5. I will be playing the piano when they are wedding ring.
6. This time tomorrow I will be studying in the library.
7. After the meal, we will be having coffee.
8. You won't be having from them.
9. Don't call my roommate tonight between 7 and 11. He will be studying for a test in reading.
10. I'll be giving surprise quizzes from time to time.

(Present perfect)
1. Ali has recently went to the the United States.
2. Maryam has already eaten.
3. Since the work is gone.
4. He has lately gave the water to the flowers.
5. It has already wen to the (Doctor office).
6. Have lost my key.
7. I have you lost your key?
8. I haven't forgotten her name.
9. He hasn't seen the movie before.
10. Since he changed(,) he has been much happier.

(Past perfect)
1. I had already cooked before the guests arrived.
2. Ali had recently studied English before she began studying English.
3. I had lately listened to music before the T.V (ran) or (show) it.
4. You had already invited when he called to me.
5. She hadn't seen her brother since 20 years ago.
6. We weren't hungry. We'd just had dinner.
7. I didn't know who he was, I'd never seen him before.
8. It was the first time he had never seen a tiger.
9. When I arrived at the cinema, the film had already begun.
10. She didn't want to go to the theatre with the other because she'd seen the play before.

(Future perfect)
1. Ali will already have reading Unit1 before his friend reads Unit2.
2. He will already have cooked before his guests arrive.
3. I will already have wrote or did my assignments or homework before the teacher comes.
4. You will already have escaped before he comes to the office of police.
5. She will already have spoke with the people before the president comes to the parliament.
6. I shall have wrote or (written).
7. When you return, I shall have done my work.
8. The plane will have flown by 9:00 tommorow night.
9. Sally always leaves for work at 8:30 in the morning, so he won't be home at 9 o'clock. She'll have gone to work.
10. The film will have started by the time we got to the cinema.

(Present Perfect Progressive)
1. He has been studying for two hours.
2. She has been talking for three hours.
3. We have been comparing the questions of quizzes for five hours.
4. I have been watching T.V for two hours.
5. I have been going to the Zara store for two years.
6. He has been walking in the street for three hours.
7. He has been eating for about half an hour.
8. He has been speaking about the matter.
9. Has he been swimming for half an hour?
10. He has not been swimming for half an hour.

(Past Perfect Progressive)
1. My mother had been cooking for half an hour before the guests came.
2. Ali had been writing before his friends came.
3. I had been praying in the A.M. for 5 minutes before the noon prayer is recited.
4. She had been catering the paper of question for (a/one) hour before the students came to the exam session.
5. He had been talking the kids to school at 7:00 A.M. before bell the school there. / he had been speaking German with the German authorities for two hours before the translator of German came to the parliament.
6. Jane had been studying for four hours when he came home.
7. Jack had been driving for over six hours when he finally pulled over to have lunch.
8. How long> had he been working before he arrived?
9. When the boys came into the house, their cloths were dirty, their hair was untidy and one of them had a black eye. They had been (they'd been) fighting.
10. I was very tired when I got home. I'd been working hard all day.

(Future Perfect Progressive)
1. He will have been cleaning the windows for half an hour by the time his guests or people gets home.
2. I will have been giving the water to the animals for three hours by the time I want to go to school.
3. She will have been singing for (a/one) hour by the time the people come to the concert.
4. They will have been dancing for two hours by the time the audience(s) come to the café or buffet.
5. I will have been writing the letter for (a/one) hour by the time my friend doesn't call to me.
6. We're late, I expect the film will already have started by the time we get on the cinema.
7. By the time, I will have been working for 11 hours without the break.
8. Before he returns, we have been finished our homework.
9. I will have done all the work by the time arrive.
10. My little brother will go out as soon as he has finished his homework.