需要三单,现在进行时,情态动词,动名词和祈使句的句型各10个,

动名词,No parking.It is no use telling him not to worrySwimming is a good sport in summerThere is no joking about such matters.对这种事情不是开玩笑.It is no use/no good crying over spilt milk.洒掉的牛...