1. Vintor Ceft made (past simp act) many efforts to build and standardize the internet. 2. Our laboratory are carrying (pres cont act) on a very important experiment now. 3. The group of scientists have already carried (pres perf act) out important research. 4. This phenomenon is described (pres simp pass) in the literature. 5. The Internet techology was created (past simp pass) by Vinton Cerf in early 1970`s. 6. An interesting and very important experiment was being made (past cont pass) at that hour. 7. The conductance between the plates may be affected (pres simp act) by other factors. 8. Modern computers are more and more being relied (pres cont pass) on by mathematics as well as other sciences.
1. Is it light in your classroom, or is it dark? It is light. 2. Is it darker in our room than in theirs? It is darker in their room. 3. Why is it darker in their room? There is not enough light. 4. Is it usually cold in April, or is it warm? It is warm. 5. Is it usually warmer in May than in April, or is it colder? It is warmer. 6. Was it warm yesterday, or was it cold? It was cold. 7. Do you think it will be warm or cold tomorrow? It will be cold. 8. Isn’t it light in this room? Yes, it is. 9. Won’t it be too late for you if I ring you up at eleven o’clock tonight? No, it won't. 10. Was it late when you got home yesterday? No, it wasn't. 11. Was it a quarter to three or three o’clock when the meeting began? It was three o’clock. 12. Which is the shortest month of the year? It is February. 13. Which are the longest months in the year? They are January, March, May, July, August, October and December. 14. Which is the shortest (longest) day of the year? It is 23 Decebmer (23 June).
2. Our laboratory are carrying (pres cont act) on a very important experiment now.
3. The group of scientists have already carried (pres perf act) out important research.
4. This phenomenon is described (pres simp pass) in the literature.
5. The Internet techology was created (past simp pass) by Vinton Cerf in early 1970`s.
6. An interesting and very important experiment was being made (past cont pass) at that hour.
7. The conductance between the plates may be affected (pres simp act) by other factors.
8. Modern computers are more and more being relied (pres cont pass) on by mathematics as well as other sciences.
2. Is it darker in our room than in theirs? It is darker in their room.
3. Why is it darker in their room? There is not enough light.
4. Is it usually cold in April, or is it warm? It is warm.
5. Is it usually warmer in May than in April, or is it colder? It is warmer.
6. Was it warm yesterday, or was it cold? It was cold.
7. Do you think it will be warm or cold tomorrow? It will be cold.
8. Isn’t it light in this room? Yes, it is.
9. Won’t it be too late for you if I ring you up at eleven o’clock tonight? No, it won't.
10. Was it late when you got home yesterday? No, it wasn't.
11. Was it a quarter to three or three o’clock when the meeting began? It was three o’clock.
12. Which is the shortest month of the year? It is February.
13. Which are the longest months in the year? They are January, March, May, July, August, October and December.
14. Which is the shortest (longest) day of the year? It is 23 Decebmer (23 June).