结构
Subject + Verb
写作时要遵循句子1S1V原则，即一主语一谓语。
Empty Subject ( “it” & “there”)
: It won’t take long to get there.
: It’s worth going.
: There’s a mosquito on your nose.
: There have been several developments since the last time we spoken.
It
- it + distances / times
: It’s not far to the metro.
: It’s six thirty. #现在是六点半-表时间
- it + weather
: It’s sunny.
: It’ll be cold tomorrow.
- Discribing situation
: It’s safe to walk around at night here.
: It’s really cosy in here.
: It’s good that you could join us.
There
- Something exists #熟知的There be句型
: There is some salad in the fridge.
: There are several reasons why I have to say ‘no’ to this idea.
Subject + aux verb + main verb
: They have bought a nice house.
: My sister mandy will call tonight.
Aux verb + Subject 表疑问 / 倒装强调
: At no time did I suspect that he was the thief.
# 一般而言，否定放句首，为突出强调否定的强烈，一般把助动词提前，表示倒装