Hiện tại hoàn thành và quá khứ đơn giản

Chia động từ trong ngoặc sau. Chú ý không viết tắt (not=n't)

1. A: Did you like the movie "Twilight?"
B: I don't know. I (see, never) that movie.

2. Sam  in New York a week ago.

3. My best friend and I each other for over ten years. We still get together whenever we have free time.

4. Phan Ho Diep is a fantastic writer. She 30 very creative short story book for kids in the last 3 years.

5. I (have, not) this much fun since I a kid.

6. Things tremendously at Apple, Inc. When we first working here three years ago, the company (have, only) 100 employees. Since then, we to include more than 2000 full-time workers.

7. I him to stay on the path while he was hiking, but he off into the wood and was bitten by a snake.

8. Listen Dory, I don't care if you the bus this morning. You late to work too many times. You are fired!

9. Sanatha is from Texas, which is hundreds of miles from the coast, so he (see, never) the ocean. He should come with us to Miami.

10. How sad! Dan of going to California before he died, but he didn't make it. He (see, never) the ocean.

11. In the last hundred years, traveling much easier and very comfortable. In the 19th century, it two or three months to cross North America by covered wagon. The trip very rough and often dangerous. Things a great deal in the last hundred and fifty years. Now you can fly from New York to Los Angeles in a matter of hours.

12. Jenny, I can't believe how much you since the last time I you. You at least a foot!

13. This tree planted by the settlers who our city over a thousand years ago.

14. This mountain (be, never) climbed by anyone. Several mountaineers to reach the top, but nobody (succeed, ever) . The climb is extremely difficult and many people trying to reach the summit.

15. I (visit, never) India, but I to South America several times. The last time I to South America, I Brazil and Peru. I two weeks in the Amazon, for a week near Machu Picchu, and over the Nazca Lines.

16. Since computers were first introduced to the public in the early 1980's, technology a great deal. The first computers simple machines designed for basic tasks. They (have, not) much memory and they (be, not) very powerful. Early computers were often quite expensive and customers often thousands of dollars for machines which actually very little. Most computers separate, individual machines used mostly as expensive typewriters or for playing games.

Times . Computers powerful machines with very practical applications. Programmers a large selection of useful programs which do everything from teaching foreign languages to bookkeeping. We are still playing video games, but today's games faster, more exciting interactive adventures. Many computer users (get, also) on the Internet and communicating with other computer users around the world. We to create international communities online. In short, the simple, individual machines of the past into an international World Wide Web of knowledge.