1. Could you please do sth ?请你（做）......好吗？
Could用于提出请求，不是can的过去式,是委婉、礼貌的说法。回答用can.
2.take out the trash倒垃圾take a walk散步take away拿走/取走
take back收回take place发生take off脱下；起飞
3. do the +名词：do the dishes/ laundry洗餐具/衣服
do the +doing: do the cleaning打扫卫生
do one’s +名词: do one’s housework/ homework做家务/家庭作业
do some +doing: do some reading/ shopping读写书/购物
4.表示时间、距离、金额、度量等词语作主语时，通常被视作整体，谓语动词用单数形式。
5. enough修饰名词时，置于名词前/；修饰形容词、副词时，后置。
6.the minute = as soon as“一......就......”
7. in front of指在物体外部的前面
in the front of指在物体内部的前面
8. come短语：
come over过来come back回来come up with想出
come true实现come down下来come from=be from来自,出生于
come in/into进入,进来come on赶快,加油come along走吧,过来,快点
come and go来来去去come up上来come out出来，(花)开，(照片)冲洗出来
9. all the time = always一直；总是
time短语：on time按时in time及时at the same time同时
the first time第一次at times有时
last time上次next time下次