they do not enjoy还是they are not enjoying?

they do not enjoy还是they are not enjoying? do you agree people should sometimes do things that they do not enjoy doing Do you know ()they enjoy it or not?A if B whether C how D what do sb. enjoy还是are sb. enjoy? They后面跟do not 还是are not? they aren't there还是they not there they have fun 改否定是they do not have fun.还是they have not fun. do not be shy.they won’t laugh__________your misake. They enjoy ____(do) things by hands. they are very tired.why [don't they,not they,do they,not to] have a rest DO和HAVE还有BE的用法我现在在看新概念二,里面有几个句子我总是弄不清楚比如 They did not pay any attention.I did not enjoy it.这里为什么一定要用did not,能不能weren't 或wasn't为什么不行?还例如 Do you eve enjoy themselves at They didn't enjoy themselves at all. please not do st.还是please don't do st. please not do 还是please don't do?为什么? they needn′t to do sth 还是 they needn′t do sth? they enjoy read(还是reading) stories They are not dangerous, __? 用aren't they 还是are they enjoy doing sth.还是enjoy to do sth.