主語為三單的句子：
1.My sister likes milk.
一般疑問：Does your sister like milk?
反意疑問句：My sister likes milk,doesn't she?
特殊疑問句：What does your sister like?
否定句：My sister doesn't like milk.
2.Tom does his homework every day.
一般疑問：Does Tom do his homework every day?
反意疑問句：Tom does his homework every day,doesn't he?
特殊疑問句：When does Tom do his homework?
否定句：Tom doesn't do his homework every day.
主語為非三單的句子：
3.We have a meeting on Tuesdays.
一般疑問：Do you have a meeting on Tuesdays?
反意疑問句：We have a meeting on Tuesdays,don't we?
特殊疑問句：When do you have a meeting?
否定句：We don't have a meeting on Tuesday.
現(xiàn)在進(jìn)行時的句子：
The boy is flying a kite.(三單）
Jane is dancing under a big tree.(三單）
I am reading an English book.（非三單）
His parents are doing housework.(非三單）
我覺得沒必要將主語是三單和非三單各造三個句子,因?yàn)橄嘈拍阃ㄟ^這幾個句子就能明白怎樣造了.