2017公共英语考试二级语法精选讲解

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2017公共英语考试二级语法精选讲解

　　2017年上半年公共英语考试已开始复习，为了帮助广大考生更好备考2017年PETS2考试，以下是yjbys网小编整理的关于公共英语考试二级语法精选讲解，供大家备考。

2017公共英语考试二级语法精选讲解

　　篇一：

　　regret doing/to do

　　regret to do　对要做的事遗憾。　(未做)

　　regret doing　对做过的事遗憾、后悔。　(已做)

　　I regret to have to do this, but I have no choice.

　　我很遗憾必须这样去做，我实在没有办法。

　　I don't regret telling her what I thought.

　　我不为告诉她我的想法而后悔。

　　典型例题

　　——You were brave enough to raise objections at the meeting.

　　——Well, now I regret ___ that.

　　A. to do　B. to be doing　C.　to have done　D.　having done

　　答案：D.regret having done sth. 对已发生的事感到遗憾。regret to do sth. 对将要做的事感到遗憾。本题为对已说的话感到后悔，因此选D.

　　感官动词 + doing/to do

　　感官动词 see, watch, observe, notice, look at, hear, listen to, smell, taste, feel + do 表示动作的完整性，真实性;+doing 表示动作的连续性，进行性

　　I saw him work in the garden yesterday.

　　昨天我看见他在花园里干活了。(强调"我看见了"这个事实)

　　I saw him working in the garden yesterday.(强调"我见他正干活"这个动作)

　　昨天我见他正在花园里干活。

　　典型例题

　　1)They knew her very well. They had seen her ___ up from childhood.

　　A. grow B. grew C. was growing D. to grow

　　答案：A.因题意为，他们看着她长大，因此强调的是成长的过程，而非正在长的动作，因此用see sb do sth 的句型。

　　2)The missing boy was last seen ___ near the river.

　　A. playing B. to be playingC. playD. to play

　　答案A. 本题强调其动作，正在河边玩，应此用see sb. doing sth句型。

　　篇二：

　　be going to / will

　　用于条件句时，be going to 表将来，will 表意愿

　　例句：

　　If you are going to make a journey, you'd better get ready for it as soon as possible.

　　Now if you will take off your clothes, we will fit the new clothes on you in front of the mirror.

　　一般现在时表将来

　　1)下列动词：come, go, arrive, leave, start, begin, return的一般现在时表将来。这主要用来表示在时间上已确定或安排好的事情。

　　The train leaves at six tomorrow morning.

　　When does the bus star? It stars in ten minutes.

　　2)倒装句，表示动作正在进行，如：

　　Here comes the bus. = The bus is coming.

　　There goes the bell. = The bell is ringing.

　　3)在时间或条件句中。

　　When Bill comes (不是will come), ask him to wait for me.

　　I'll write to you as soon as I arrive there.

　　4)在动词hope, take care that, make sure that等后。

　　I hope they have a nice time next week.

　　Make sure that the windows are closed before you leave the room.

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