例：We are plant　 (plant) the trees in spring.

答案：plant

解析：学生往往会用汉语的思维方式去翻译，就成了“我们是在春天植树”。这是学习英语最忌讳的，要看语法是不是正确，在英语中，be是表状态，do是表动作，两种动词不能同时出现在句子中，可记住如下口诀：“英汉语言有差异，be 、do不能放一起，仔细琢磨细分析，语法千万要牢记。”

专项练习：

1 ______ they______ (feed) the animals at 5:00 yesterday afternoon?

2 Mrs.Green _____　 _____ (not wash) clothes at this time yesterday.

3 Grandpa ______　 ______ (mend) his clock when I reached home.

4 As I _____ (walk) in the park, I saw some children playing games.

答案：1 were feeding　 2 wasn’t washing　　 3 was mending　 4 was walking

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1 What ______ from three to four yesterday afternoon?

A have you done　 B had you done　 C did you do　 D were you doing

2 – I call you yesterday evening, but there was no answer.

　- Oh., I’m sorry I _____ dinner at my friend’s home.

A home　 B had　 C was having　 D have had

3 My mother _____ while my father _____TV.

A cooked; was watching　 B was cooking; was watching

C was cooked; watched　 D cooked; watched

4 When I got home, my son _____ the music.

A am listening to　 B listened to　 C was listening to　 D was listening

5 We heard a cry when we ______ TV last night.

A were watching　 B would watch　 C watch　 D watched

6 She asked him whether he _____ back for lunch.

A come　 B was coming　 C came　 D had come

7 Could you tell me when ______?

A she is coming　 B she was coming　 C will be come　 D is he coming

8 The teacher ______ when I came into the classroom.

A is drawing　 B draws　 C has drawn　 D was drawing

9 The pizza ______ by my mother. Would you like to have some?

A makes　 B was making　 C made　 D was made

10 Nobody noticed what she ______ at the moment.

A will do　 B was doing　 C has done　 D had done

11 Was it raining hard when you _____ this morning?

A left　 B leaves　 C was leaving　 D would leave

答案：1 D　 2 C　 3 B　 4 C　 5 A　　 6 B　 7 A　 8 D　 9 D　 10 B　 11 A

例：昨晚我在读一本故事书。

　　 I read (read) a story book yesterday evening.

答案：was reading

解析：这两种时态的共同点是都用于表示过去发生的动作。但过去进行时强调动作正在进行，而一般过去时则表示过去某一时间所发生的动作或存在的状态，它表示的动作往往已经完成。“在”说明正在进行，而“I read a story book yesterday evening.”的意思是昨晚我读了一本故事书，言下之意已经读完了。故用过去进行时。

另外，在宾语从句中当主句为过去时，从句若是现在进行时，需变成过去进行时。

　　 e.g. He said that he was drawing a cat at noon yesterday.

专项训练：

例：My mother is cooking (cook)when I got home.

答案：was cooking

解析：这两种时态的共同点是都表示动作正在进行，但现在进行时前提是现在，而过去进行时前提是过去，由when I got home可看出前提是过去。

例：We were flying kites at 5:00 p.m. yesterday. (对划线部分提问)

　　 What were you at 5:00 p.m. yesterday?

答案：What were you doing at 5:00 p.m. yesterday?

解析：现在进行时中“What……doing……”?句式同样适用于过去进行时。

例：1 I watching (watch) TV when he came in.

　　 2 They were play (play) games at 5:00 p.m. yesterday.

　　 答案：1 was watching　 2 were playing

　　 解析：现在进行时中“be+现在分词,缺一不可”的规律也可应用于过去进行时。

　　 例：He was talked (talk) to his mum at that time.

　　 答案：was talking

　　 解析：过去进行时与现在进行时结构上的区别体现在be动词上。

目前人们关注的话题之一就是甲型H1N1流感。请根据下面的信息提示，写一篇短文。

现状：

1. 每天全世界有近1000人被确认(confirm)感染H1N1流感病毒( flu virus)；

2. 绝大数病例都可以被治愈，只有少数病例死亡；

预防：

1. 养成良好的卫生习惯：勤洗手，健康饮食，充足睡眠，勤于锻炼……

2. 远离流感症状病人；

3. 避免接触生猪;避免去人群拥挤场所；

要求： 把握要点， 适当发挥，不要逐字翻译。词数在100左右。

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Last week the manager of a jewelry shop received a lettter from a stranger. As he was very b　 1　

with his work then , the letter lay on his desk till tea-time. He opened it and 10 pounds dropped onto his desk. With the m　 2　 　was a letter which said.

Dear sir,

I’m Peter. In 1935 I got engaged(订婚). But u　 __3 ___ 　I lost my job. Although I got a job again six months later, I was very short of money.

I came to your shop to buy a ring. The shop assistant s　 4 __ 　some rings to me, b　 __5__　 　she was called away for a moment, and I put one of the rings in my pocket. When she came b __ 6 __ , I said I didn’t know the size of my girlfriend’s finger. So I left the shop w　 7__　 　paying for the ring.

My wife died a short while ago and the fact that I never paid for the ring has been heavy in my heart all these years. At that time the ring c　 __8 ___ 　2 pounds, so I think that is 10 pounds at today’s

p __ 9 _ 　and I’m sending 10 pounds.

　　 “Well, well, ”the manager said to h　 __10 __ 　, “Life is always full of surprises!”