I helped Tom bought a new computer.改错 了 .

I helped Tom bought a new computer.改错 了 . i helped Tom finsh his lessons对吗? I helped Tom buy 还是I helped Tom bought用合适的形式:I helped Tom ____(buy) a watch.那 did 后面的动词要改变原形吗?在过去式里有没什么句子前面动词要改变,后面动词也要改变? Yesterday I helped Tom -------- his radio. 为什么--------要选mend Tom bought a ( )of beer. it happened that i bought the same present as tom改为同义句 It was _____ who helped Tom out when he was in trouble.A.I B.me C.us D.ours jack is the person whose eyes are very big.she is the woman who helped me yesterdayi met a young man whom you met yesterday.she bought many apples which i bought yesterday. I helped my classmate today. Tom helped me and I finished my homework on time.(同义句）（）（）help,I finished my homework on time Tom and I bought shoes of the same style.(him his)are white,and (me mine)are black Tom,Jon and I bought a computer each last week.John’s computer is much ____________ than Tom’s and mine.It is _____________ of the three.(expensive) 同义句：Tom bought a pen yesterday. Jack bought a pen yesterday,too.Tome bought a pen yesterday.___ __Jack.()I believe Shanghai is ___most beautiful city in China.A.the second B.second C.a secong D.the first I bought two dozen I bought it___20 yuan. 英语翻译i helped michael to walk I helped Sally buy a new I helped Bob_(买)a new watch.