He often does his homework every evening. （一般疑问句）
____ he often ___ his homework every evening?
There are six boats on the river. （对画线部分提问）
____ ___ boats are there on the river?
I want to go shopping this Sunday. （同义句）
I want to ____ _____ ____ this Sunday.
. Tom doesn’t know much Chinese. （同义句）
Tom knows ____ ____ ____ Chinese.
The students are all here. （同义句）
_____ ____ the students are here.