时间状语一般现在时every …, sometimes, at …, on Sunday, 一般过去时yesterday, last week, an hour ago, the other day, in 1982, just now一般将来时next…, tomorrow, in+时间, ...
语态有两种：主动语态和被动语态。主语是动作的发出者为主动语态；主语是动作的接受者为被动语态。 1）若宾语补足语是不带to 的不定式，变为被...
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...
短语动词是一个整体，不可丢掉后面的介词或副词。This is a photo of the power station that has been set up in my hometown. My sister will be taken care of by Grandma.Such a thin...
believe, consider, declare, expect, feel , report, say, see, suppose, think, understand It is said that… 据说 It is reported that… 据报道 It is believed that… 大家相信 It is h...
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 silence, lose...
1)wash, clean, cook, iron, look, cut, sell, read, wear, feel, draw, write, sell, drive…The book sells well.这本书销路好。This knife cuts easily. 这刀子很好用。 2)blame, let(...
be determined, be pleased, be graduated (from), be finished, be prepared (for), be occupied (in), get marriesHe is graduated from a famous university. 他毕业于一所有名的大学。注意： ...
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...
（一）按使用目的可分为陈述句、疑问句、祈使句和感叹句。 1） 陈述句（Declarative Sentences）：说明一个事实或陈述一种看法。 Light travels faster than so...