I saw Li Yundi play the piano last concert.为什么这里用原形play

I saw Li Yundi play the piano last concert.为什么这里用原形play I saw li ming (play) near the river on my way home I saw li ming ---- (play) near the river on my house. I know a pianist,his name is Li Yundi.(合并为一句话) 帮帮, I saw Li Ming______ near the river on my way home.A playing B to play 选择哪一个更合适? Li yundi is a well-known pianist (同） Li yundi ____ _____ a pianist I saw her play when I was 英语同义句转换!1.Li yundi could play the piano when he was seven years old.Li yundi _____ _____ _____ play the piano when he was seven.2.Liu Ying's sister is taller than her.Liu Ying _____ _____ _____her sister.3.Do you want to join us?___ you What do you think about the concert given by Li Yundi?Wonderful,I was___with it.A.impressed B.expressed C.performed D.attacked I saw saw saw I ----(see) Li Lei -----(go) out just now.答案是saw,go,为什么不是 saw.went. Li Yundi is (a famous pianist).对括号部分提问 ＿＿＿＿＿Li Yundi＿＿＿＿＿? I saw him yesterday afternoonA playing soccerB play soccer 英语Last Sunday I saw Jim___(play)in the park I saw many football__(play)in the school football field I saw him to go out to play改错 I saw them play football at this time yesterday.改错! he was play tennis when I saw him 改错