1）作主语 fighting broke out between the south and the north 南方与北方开战了。2）作宾语 a 动词后加动名词doing作宾语 v + doing sthadmit 承认 appreciate 感激,赞赏 avoid 避免...
一,作主语 ⒈不定式作主语 动词不定式作主语时,句子的谓语动词常用单数,其位置有以下两种: (1)把不定式置于句首 如: to get there by bike will take us half an hour (2)用it作形式主语,把真正的主语不定式置于句后,常用于下列句式中 如: ①i...
注意：当 need, want, require, worth(形容词)后面接doing也可以表示被动。 your hair wants cutting 你的头发该理了。 the floor requires washing 地板需要冲洗。 the book is worth rea...
used to + do：过去常常表示过去习惯性的动作或状态，但如今已不存在。 mother used not to be so forgetful scarf used to take a walk (过去常常散步)be used to + doing： 对…&h...
believe, consider, declare, expect, feel , report, say, see, suppose, think, understandit is said that… 据说 it is reported that… 据报道...
7 1 不定式作宾语1) 动词+ 不定式 afford aim appear agree arrange ask be decide bother care choose come dare demand desire determine expe...
1) 不及物动词或动词短语无被动语态：appear, die disappear, end (vi 结束), fail, happen, last, lie, remain, sit, spread, standbreak out, come true, fall asleep, keep sil...
1）当let后只有一个单音节动词，变被动语态时，可用不带to 的不定式。 they let the strange go ---> the strange was let go 2） 若let 后宾补较长时，let 通常不用被动语态，而用allow或permit 代替。 the nurse...
一般现在时的用法1) 经常性或习惯性的动作，常与表示频腮度的时间状语连用。 时间状语： every…, sometimes, at…, on sunday i leave home for school at 7 every morning 2) 客观真理，客观...
