我的英语很不好，大家帮帮忙

乘汽车去上班（两种形式），
..go to work by bus.
..take bus to go to work.
骑自行车去上学，
..go to school by bike.
喜欢放风筝，
.. like to fly a kite.
努力学习所有功课，
.. study hard for all classes.
和他交朋友。
.. to be friend with him.
要写否定句、一般疑问句，并回答、对划线部分提问：
1.他们经常乘汽车去上学。（乘汽车划线）
否定They rarely go to school by bus.
疑问How do they go to school?
答They go to school by bus.
2.Amy喜欢跳舞。（跳舞划线）
Amy does not like dancing.
What does Amy like?
Amy likes dancing.
3.Simon放学后做游戏。（放学后划线）
Simon does not play games after school.
When does Simon play games?
Simon plays games after school.
4.Peter努力学习实用的功课（所有的功课划线）
Peter does not study hard for any class.
What does Peter study hard for?
Peter studies hard for all classes.
5.我通常在十二点钟吃饭。（十二点钟划线）
I usually do not have lunch at twelve.
When do you usually have lunch?
I usually have lunch at twelve.
6.我的爱好是游泳（游泳划线
My hobby is not swimming.
What is your hobby?
My hobby is swimming.

without是介词后面用ing
，did已表明句子时态，后面直接用原形

without是介词
后面用ing
作为强调的did已经用了时态了

介词接动宾，强调动词后面接原形。

这did已表明句子时态！
用ing是因为without是介词