--did you notice him come in just now?-no,I___(type) a letter all the time

notice的用法为什么Did you notice him play the piano加do而不是doing Did you notice him leaving the house与Did you notice him leave the house区别为什么第二句用leave而不是to leave --did you notice him come in just now?-no,I___(type) a letter all the time did you notice him come in just now?--no,i____(type) a letter all the time Did you notice him ___(enter) the house?是Did后面整句话都是动词原形还是就Did后面的一个动词是原形 did you notice him leaving帮我分析一下leaving是动名词么?是做哪个词的动名词? A:Did you notice him come in?B:No,I____a football game A.have watched B.had watched C.am watching D.was watching Did you notice him come in?---No.I____a football game.A have watched B had watched C am watching D was watching How did you not notice还是how didn‘t you notice?为什么? What did you feed him? What did you feed him? Did you notice him____under the tree.A cry B crying Did you notice him___the house?-Did you notice him___the house?-Sorry,I didn’t.Aleave.Bleaves.Cleft.Dto leave. did you see the notice on the wall为什么是notice 改错:Did you saw him just now? what did you bring him是什么意思 when did you meet him是什么意思 What time did you see him