What nationality are you ?/What nationality are they ?/What nationality is he ? /What nationality is she ?

　　★It’s our favorite subject of conversation. 天气是我们最喜欢谈论的话题。

　　★Key point: 现在进行时

　　定义：描述在某个具体时刻，正在发生的事情。

　　句型：主语 + Be + doing + 时间状语

　　例句： I am doing my homework now.

　　She is reading a book at the moment.

　　It's  six o’clock, they are having their dinner now.

　　否定：在Be动词之后加NOT即可

　　一般疑问句：将Be动词提前于句首即可

　　例句：Are you doing your homework now?

　　Is she swimming in the river?

　　特殊疑问句：特殊疑问词 +Be + 主语 + doing ?

　　WHAT+ARE+ YOU +DOING ?

　　WHAT+IS+ SHE +DOING ?

　　现在分词的变化规则：【直、去、双、变】

　　⑴【直】一般情况直接加-ing:

　　do-doing/ help-helping/ go-going

　　⑵【去】以不发音的e结尾，去e加：

　　make-making/ take-taking/live-living

　　⑶【双】以重读闭音节结尾要双写尾巴：

　　swim-swimming/ cut-cutting/begin-beginning/

　　put-putting/ sit-sitting/shop-shopping/travel-trvelling

　　⑷【变】以ie结尾,将ie变y加ing：

　　lie-lying / die-dying

　　★一般现在时的时间状语：

　　Always, often, usually, generally, sometimes, seldom, never 放在主语后，动词前使用：

　　I always go to school on foot.

　　He sometimes goes to work by taxi.

　　In the morning, in the afternoon, In the evening, at night 放在句首或句尾，every day, every year, every week 一般放句尾：

　　Their father takes them to school every day.

　　In the afternoon, they often drink tea together.

　　He usually reads newspaper at night.