動詞的強調形式

Do 的適當形式
Eg. I Do give you the book.

擬似分裂句
Pesudo cleft
要強調謂語動詞，就得采用另外一種強調句型。這種句型叫作擬似分裂句。
擬似分裂句的主語通常是由what引導的名詞性分句，分句的主動詞通常是do的一定形式。分句的主語補語根據主動詞do的適當形式而采取相應的形式。

擬似分裂句可采用下列幾種形式
what分句＋be + 動詞的不定式eg. He gave her a book.------What he did was (to) give her a book.
what分句＋be + 動詞的分詞He will be taking a plane to Beijing---What he will be doing is taking a plane to Beijing
He has finished his homework.----What he has done is finished(finish/to finish) his homework.

Pesudo - cleft
I gave him a letter.
What I did is give him a letter
do/did/does-------do
doing --------------doing
done ---------------done

what分句＋be + 名詞詞組
名詞詞組＋be+ what分句
Eg. He gave her a book.
What he gave her was a book.
A book was what he gave her.