Day14: 常用动词六

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Think

1. 我们使用think来讨论有一个观点或主意，这种情况下，我们不用进行时：

   I think (that) she is a very selfish person.

   Not: I am thinking she is ...

   A: What do you think aoubt this frame?

   B: To be honest, I don't think it suits the picture.

2. 我们使用think来讨论关于制定计划或决定，一般使用进行时，thinking of/about doing sth：

   We're thinking of moving out of London and buying a small cottage in the country.

   Thinking about returning to college? Call 0000 0000 0000 for advice on courses and grants.

3. 我们还可以使用think / think of讨论关于remember(记得)：

   I went upstairs to get something, but when I get there, I couldn't think what it was that I wanted.

   Can anyone think of the name of the first dog that went into space.

   It's so embarrassing when you meet someone and you can't think of their name.

4. 我们还可以使用think about讨论关于considering something(考虑)：

   A: Are you going to change jobs?

   B: I am not sure. I'm thinking about it.

5. 在口语中，经常在句子末尾使用I think来表达委婉语气：

   It's too expensive, I think.

   Too many people are talking in the office, I think. It's difficult to work at times.

6. I think在句首通常表达一种不确定性：

   I think I gave the file to Holly on Monday.

   I think your keys are on the table.

   通常是把否定放在前面：

   I don't think we have enough people interested in going on the trip. (I think we don't have enough people ...)

Want

1. 我们使用want谈论wish(希望)、desire(渴望)，可以直接跟宾语或动词不定式，但是不跟that从句：

   Do you want drink? I've just made some coffee.

   This is a new kind of fruit juice I got. Do you want to try it?

   The teacher wants her to do the exam again next year.

   Not: The teacher wants that she do ...

   Take what you want?

   want的进行时表达一种间接性、礼貌性：

   I was wanting to ask you something. Are you free right now?

   进行时也可以强调一个正在进行或重复的过程：

   we'd been wanting to go to Shanghai for years.

   Now that she's a teenager she's wanting expensive things, you know, computers, clothes, sports stuff.

2. 我们可以使用want + doing来谈论某事需要或应该被做，这是非常不正式的表达：

   Your hair wants cutting. (needs to be cut)

3. 非正式场合下，want + to do可以表达建议或警告：

   You want to be careful riding your bike in town. (you should be careful)

Wish

1. 我们用wish+ (object) +to do表达和want一样的意思，但是更正式，这种情况下不用进行时，不使用that从句：

   I wish to speak to Mr Wang, please.

   Not: I am wishing to speak ...

   Not: I wish that I speak ...

   I didn't wish my family to know about Sara, so I told them nothing.

   当wish后面跟宾语时，必须跟to动词不定式后面：

   We wish to have a table near the window, please. (we would like a table near the window)

   Not: we wish a table near the window ...

2. wish + 间接宾语 + 直接宾语 可以用来表达希望好事发生：

   I wish you success in your new job. (间接宾语：you 直接宾语：success)

   I've got my driving test tomorrow. Wish me luck! (间接宾语：me 直接宾语：luck)

   We wish you a long and happy life together.

3. wish+that 从句可以表达我们后悔或抱歉事情没有什么不同，我们幻想一个不一样的过去或现在，非正式场合下还可以删除that：

   I just wish that everything could be as it used to be. (我只是希望一切像往常一样)

   I wish I had his mobile phone number; we could tell him the good news. (我没他的手机号，如果有那会很好)

   I wish you hadn't told me how the film ends. (you told me how the film ends. it would have been better if you had not told me.)

   that从句中动词的时态等和if从句中类似，我们用过去式表示现在和将来：

   It would be good if we had a bigger car.

   I wish we had a bigger car.

   It would be good if I knew how to use it.

   I wish I knew how to use it.

   在wish用过去完成时表达过去

   I wish I had known Charlie was comeing. I would have invited Jane. (I didn't know it and did not invite Jane)

   I wish I hadn't said that. I can see I've upset you. Sorry. (I did say it; it would be better if I had not say it.)

4. 如果我们对某件事(或发生或没有发生或将来发生或将来不发生)恼火，我们可以使用wish+would：

   I wish you'd stop makeing so much noise! (you are making a noise, it would be better if you didn't)

   I wish you wouldn't come through the kitchen with your dirty boots on.

5. 我们使用hope而不是wish来希望某事发生在将来，或在未来已经发生，其实综合起来，感觉wish更多的是表达一种情感，建议，希望啥的：

   I hope the weather is fine tomorrow.

   Not: I wish the weather ...

   I hope they didn't miss their flight.

   Not: I wish they ...

Need

1. need是一个半情态动词，否定形式常用来表明没有义务或需要做某事：

   You needn't take off your shoes.

2. 肯定句中使用半情态need是比较正式但很少见的，一般句子中会有一个否定词(no one/nobody/nothing)：

   No one need think that we are doing this every week. (we are not doing this every week)

   Nobody need kw the name of the person who made the complaint.

   Not a thing need change on this page.

   半情态need不和其他情态动词一起使用：

   No one need read this.

   Not: No one need must read this. or No one must need read this.

   我们在半情态need后加not者是 needn't，不在前面使用doesn't / didn't / don't：

   You need not spend a lot of money on presents. (or You needn’t spend a lot of money on presents.)

   Not: You don’t need spend a lot of money on presents.

   同样疑问句时也是将半情态动词need提前，而不是借助助动词do：

   Need we write this down?

   Not: Do we need write this down?

3. 半情态动词need没有一般过去式，作为替代，我们使用didn't need to / didn't have to达去没有义务做某事：

   I didn't need to buy any books. They were all in the library. (其实这里的need不算情态动词)

   Not: I didn’t need buy any books. They were all in the library.

   我们使用needn't have + -ed形式来指示发生的事，但说话者认为没有必要：

   You needn't have waited for me. (You waited for me but it wasn’t necessary.)

   You needn't have bought so much food. There are only three of us staying for the weekend. (You bought a lot of food but it wasn’t necessary.)

4. need为主要动词时后面跟有人称、单复数、时态的变化：

   Does it need to be so dark in here?

   You don’t need to mention this to your father.

   当need后面跟名词或ing形式时need必须作为主动词使用：

   You don't need an umbrella.

   Not: You needn't an umbrella.

   My hair doesn't need cutting for at leat another month.

   Not: My hair needn't cutting for ...