否定句:主语+ don‘t( doesn‘t ) +动词原形(+其它)。
当主语为第三人称单数时,要用doesn‘t构成否定句。
如:He ofter plays football.
He doesn‘t often play football.
一般疑问句:Do( Does ) +主语+动词原形+其它。(句首加助动词do, does)
- Do you often play football?
- Yes, I do. / No, I don‘t.
当主语为第三人称单数时,要用does构成一般疑问句。
如:She goes to school by bike.
- Does she go to school by bike?
- Yes, she does. / No, she doesn‘t.
如:She goes to school by bike.
Does she go to school by bike?
How does she go to school?