C. Put the verbs into the correct tense. (Simple Past or Present Perfect). The first one has been done for you.
1. Since computers were first introduced to the public in the early 1980’s, technology (change) _____________ has changed a great deal. The first computers (be) _____________ 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 (pay) _____________ thousands of dollars for machines which actually (do) _____________ very little. Most computers (be) _____________ separate, individual machines used mostly as expensive typewriters or for playing games.
2. Times (change) _____________ computers (become) _____________ powerful machines with very practical applications. Programmers (create) _____________ 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 (become) _____________ faster, more exciting and interactive adventures. Many computer users (get, also) _____________ on the Internet and (begin) _____________ communicating with other computer users around the world. We (start) _____________ to create international communities online. In short, the simple, individual machines of the past (evolve) _____________ into an international World Wide Web of knowledge.
Answers
Answer:
1. Since computers were first introduced to the public in the early 1980’s, technology (change) has changed a great deal. The first computers (be) were simple machines designed for basic tasks. They (have, not) didn't have much memory and they (be, not) were not very powerful. Early computers were often quite expensive and customers often (pay) paid thousands of dollars for machines which actually (do) do very little. Most computers (be) were separate, individual machines used mostly as expensive typewriters or for playing games.
2. Times (change) changed, computers (become) became powerful machines with very practical applications. Programmers (create) created large selection of useful programs which do everything from teaching foreign languages to bookkeeping. We are still playing video games, but today’s games (become) became faster, more exciting and interactive adventures. Many computer users (get, also) also got on the Internet and (begin) began communicating with other computer users around the world. We (start) started to create international communities online. In short, the simple, individual machines of the past (evolve) evolved into an international World Wide Web of knowledge.
Answer:
1. Since computers were first introduced to the public in the early 1980s, technology has changed a great deal. The first computers were simple machines designed for basic tasks. They did not have/didn't have much memory and they were not/ weren't very powerful. Early computers were often quite expensive and customers often paid thousands of dollars for machines which actually did very little. Most computers were separate, individual machines used mostly as expensive typewriters or for playing games.
2. Times have changed. Computers have become powerful machines with very practical applications. Programmers have created 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 have become faster, more exciting and interactive adventures. Many computer users have also got on the Internet and begun communicating with other computer users around the world.
We have started to create international communities online. In short, the simple, individual machines of the past have evolved into an international World Wide Web of knowledge.
Explanation:
- Tenses in English grammar are a basic fundamental tool to express the time frame of any activity. Tenses are a lot supportive in portraying the time span of activity or occasion for example whether it is occurring now, occurred previously or is going to occur.
- We use the simple past tense when the action started in the past, finished in the past, and is not continuing now.
- The simple past/ past indefinite tense lets us know that an action happened at a certain time in the past, and is not continuing anymore. It doesn't enlighten us anything regarding when an activity occurred, so more data should be given with this action word structure, for example, when the activity occurred.
- We use the present perfect tense when the action started in the past and is continuing now in the present.
- The present perfect tells us that an action started in the past and it is still happening now, or it is something that happens regularly.
- We should constantly utilize the present perfect when the hour of an activity isn't significant or not indicated. Also, we should continuously utilize the straightforward past when insights concerning the time or spot that activity happened are given or mentioned.
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