写五句 be doing sth造句

It is easier to be said than to be done: it is easier to say sth. Than to do sth. 

说来容易做起来难。

The government not only has to do something, it must be seen to be doing something(= people must be aware that it is doing sth).

 政府不仅必须采取措施，而且必须让人们知道它在采取措施。

Verb phrase: be keen on doing sth. 

热衷于做某事。

Be instrumental in doing sth for sb. 

为某人干某事出力。

Be faced with a real need to do sth. 

面临着做某事的真正需要。

Go beyond one's duty in doing sth. 

超越职权范围做某事。

Be the best time of year to do sth. 

是一年中做某事的最好时节。

my mother is doing housework我妈妈正在做家务
my sister is watching tv我妹妹正在看电视
i am playing basketball.我正在打篮球
my teacher is teaching us我的老师正在教我们
tom is playing games.Tom正在玩游戏