waste怎么用?后边跟不to do还是 doing

waste怎么用?后边跟不to do还是 doing waste time to do sth还是waste time doing sth? waste的用法waste sth. in doing sth.是doing还是to do还是waste sth. to do sth. make a contribution to跟动词是用do还是doing?为什么?怎么区分to 是介词还是不定时中的to呢? It is a waste of money 后用to do还是 doing a waste of time后加TO DO还是DOING still 后边加to do 还是doingstill+to do还是doing? There are no shortcuts to learning a foreign language.不明白to后边为什么加doing.怎么区分to是介词还是to do不定式 能够承受较大的工作压力用英文怎么表示就是跟一堆条件并列在一起,比如接在Positive working attitude后边,是用be able to work under pressure还是用being able to work under pressure?哪个对? don’t waste time to do sth还是do sthdon't waste time( )A.play gamesB.playing gamesc.to play gamesD.on playing games a waste of time后面是加 doing sth还是to do sth 短语a waste of time 后加的是 to do还是 doing? Stay Up Late的用法stay up late后边该加上什么,to do还是doing Be a waste of time 后加doing还是 to do .教参上都是doing,但Oxford初阶上用to do. what does she do on weekends ------she often 后边加-----go to zhe movies 不行吗 不开始做某事用英语怎么说是not begin to do 还是begin not to do, object to怎么用do 还是doing 总是有人说跟doing 但我也看到跟do 的情况!到底什么时候跟哪个啊?我头疼啊.求救,英哥英姐!我豁出去了,钱全给你!必须有跟有据! they don't know_____(怎么）to do with the waste paper