I like reading,but I like to watch TV this evening.为什么后面要加to

I like reading,but I like to watch TV this evening.为什么后面要加to -i like to watch TV plays,but i don't watch TV every evening 初一英语改错题I like to watch TV at night,but this night I like to I like to watch football games ? TV I like to watch DVDs .这个DVD后面为什么要加S? I like to watch TV,too.(改为同义句) I like to watch TV------- --- I often do some reading,but____I like to watch TV.A,sometime I like reading,but I don't like to read Would you like to watch the movie Hero this evening?yes,i'd I like ( ) (watch)TV I like to eat eggs,but I don't like to eat pears.为什么加to? －Would you like to watch TV at home this afternoon?－Sorry.I