We watched a movie about living on Mars.为什么要用living?加ing?

We watched a movie about living in the f__ We watched a movie()the life under the sea yesterday i watched a movie中文意思 They watched a movie .改一般疑问句 they watched a movie.[改为一般疑问句] watched a movie in English without subtitles? 连词成句 futer,in ,we,watched,the,a,living,movie,about, We watched a movie about living on Mars.为什么要用living?加ing? I just watched a movie.和I have just watched a movie.的区别? Lily watched a movie on Sunday evening(对watched a movie提问） We watched a movie about living in the future.中living为什么要加ing?为什么不用live? i haven't watched a movie since last month I watched a movie about seals 划线提问 thet (watched a movie) this mondy对括号里提问 是I've seen a movie还是I've watched a movie,为什么? Mary,actor,a,meet,did,famous(?)——连词成句have，did,going,he,not,camping,fun(.)watched,about,we,future,in,the,a,movie,living(.) we saw a movie crew filming a movie have,did,going,he,not,camping,fun(.)同下watched,about,we,future,in,the,a,movie,living(.）连词成句