My sandwiches for tea now.1) is making 2) make 3) makes 4) made

My mother is making  cucumber sandwiches for tea now.

1) My mother is making ...

1. After breakfast, Mr Wardle said, referring to his guests: "You do not mind to go skating? The weather is beautiful, and we have the time. " 2. All the readily agreed, and the ladies began to ask Mr. Winkle to join them. They were convinced that he's a great athlete, so he never missed an opportunity to show off his skill. 3. But Mr. Winkle said that he had not practiced (tobeoutofpractice): he was not smiling in the presence of the idea to show the ladies that he does not know how to skate. 4. The ladies began to insist that he went with them and showed them his art. 5. It is useless to say that he does not have skates: he immediately offered a few pairs. 6. After that, Mr. Winkle could not go to the rink. 7. When they got to the lake, Mr. Bob Sawyer put on his skates and began to describe circles (tomakecircles) on the ice, not stopping for a moment to catch his breath. 8. Poor Mr. Winkle stood for a few minutes with skates in hand and not knowing how to wear them, he was screwing their sharp ends back (withthepointsbehind). 9. Finally, the horses were put on. Before we get to his feet, Mr. Winkle asked Sam to help him. 10. He began by saying that he had noticed that it is very slippery: he could not even stand on the ice, if someone did not support it. 11. Suddenly, Mr. Pickwick, not knowing that his young friend can not stand on the ice without assistance (unassisted), Sam called from the other side of the lake. 12. Sam was able to escape from the hands of Mr. Winkle ('sgrasp), only pushed him away. 13. The unhappy Mr. Winkle, and sat down on the ice, not even making the attempt to rise. 14. Mr. Pickwick was indignant that his friend was telling everyone that he's a good athlete. 13. He expressed his indignation that called Mr. Winkle braggart and humbug.

1) My friend entered the medical institute last year. My friend enters the medical institute. My friend will enter the medical institute next year.

2) All students take exams in winter. All students took exams in winter. All students will take exams in winter.

3) The delegation will leave Tomsk on Monday. The delegation leaves Tomsk on Monday. The delegation left Tomsk on Monday.

4) Do you receive letters from your friends? Did you receive letters from your friends? Will you receive letters from your friends?

5) The students of our group attend all the lectures. The students of our group attended all the lectures. The students of our group will attend all the lectures.

6) Some students failed their entrance exams. Some students fail their entrance exams. Some students will fail their entrance exams.

7) The lecture will last two hours. The lecture lasts two hours. The lecture lasted two hours.

8) Shall we go to the disco in the evening?  Do you go to the disco in the evening?  Did you go to the disco in the evening? 

9) He was good at mathematics, but he failed in physics. He is good at mathematics, but he fails in physics. He will be good at mathematics, but he will fail in physics.