重點(diǎn)句型
be doing-----when
Neither/Nor/So+系動(dòng)詞/助動(dòng)詞/情態(tài)動(dòng)詞+主語(yǔ)
It is /was+ 被強(qiáng)調(diào)部分 +that/who
It is +adj./n+真正的主語(yǔ).
The reason why -----is that-----
Where there is a river , there is a city.
No matter what----
No all-----
If only-----
The next time