As I didn't receive any letter from him, I gave him a call.-> Not receiving any letter from him, I gave him a call. 由于没有收到他的信，我给他打了电话。 If more attention w
分词前置We can see the rising sun. 我们可以看到东升的旭日 He is a retired worker. 他是位退休的工人 分词后置 (i.分词词组；ii. 个别分词如given, left； iii.
9.1 分词作定语 分词前置We can see the rising sun. 我们可以看到东升的旭日 He is a retired worker. 他是位退休的工人分词后置 (i分词词组；ii 个别分词如give
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 g
begin / start to do sth begin / start doing sth.1) 谈及一项长期活动或开始一种习惯时，使用doing. How old were you when you first started playing the piano? 你几岁时
mean to do 打算、想 mean doing 意味着 I mean to go, but my father would not allow me to. 我想去，但是我父亲不肯让我去。 To raise wage means increasing purchasing
interested to do 对做某事感兴趣，想了解某事。 interested in doing 对某种想法感兴趣，doing 通常为想法。 I shall be interested to know what happens. 我很想知道
be afraid to do 不敢，胆怯去做某事，是主观上的原因不去做，意为“怕“； be afraid of doing 担心出现doing的状况、结果。 doing 是客观上造成的，意为“
go on to do 做了一件事后，接着做另一件事。 go on doing 继续做原来做的事。 After he had finished his maths，he went on to do his physics. 做完数学后，他接着
try to do努力，企图做某事。 try doing 试验，试着做某事。 You must try to be more careful. 你可要多加小心。 I tried gardening but didn't succeed. 我试着种果