《大学体验英语第一册课件》ECEI-U04-3W-P.pptVIP

General Writing Practical Writing Unit 4 Return to Menu We use the verb tense to indicate the particular time of an action, event or condition. When we want to describe a number of actions or events, we may use different tenses in a sentence, a paragraph or a whole composition. Necessary changes in verb tense help readers understand the relationships among various events. But if we make unnecessary or inconsistent shifts in tenses, it will cause a misunderstanding. Generally, we keep one tense as the main tense and indicate changes of time by changing tenses relative to that primary tense. Consistency of Verb Tenses Exercise 19 Exercise 20 Exercise 21 Ex. 19 Write full sentences, using the words or phrases given below in their proper forms and paying special attention to the consistency of verb tenses. 1. I / decide / to major in computer science / and / I / sure that / this / be / the right decision I have decided to major in computer science, and I am sure that this is the right decision. By the time we arrived at the airport, the rain had already stopped. 2. by the time / we / arrive at / the airport / the rain / already stop Ex. 19 Write full sentences, using the words or phrases given below in their proper forms and paying special attention to the consistency of verb tenses. 3. the young man / knock / his head / on the glass door of the hotel / when / he hurry in The young man knocked his head on the glass door of the hotel when he hurried in. The doctor suggested bed rest for the patient, who was suffering from a bad cold. The doctor suggests bed rest for the patient, who is suffering from a bad cold. 4. the doctor / suggest / bed rest / for the patient / who / suffer from / a bad cold Ex. 19 Write full sentences, using the words or phrases given below in their proper forms and paying special attention to the consistency of verb tenses. 5. my sister / go to Tokyo / 3 years ago / and she / learn / Japanese since then My sister went to Tokyo 3 years ago and she