截至到去年末,他已经做了一百个玩具飞机As of late last year,he has made one hundred a toy plane去年他参军了He joined the army last year去年这个时候,我们正在种树This time last year we were planting trees当妈妈在做饭时,我在看电视When my mother was cooking when I was watching TV当他回来的时候,我正在做作业When he came back,I'm doing my homework当他正在睡觉时,电话铃响了When he was sleeping,the telephone rang当我敲门时,他们正在吃饭When I knocked at the door,they are eating当他读英语时,我正在画画I was painting when he read English当我妈妈回来时,我爸爸正在读报纸When my mother came back,my father is reading the newspaper当他们正在踢足球时,我们正在打篮球When they are playing football,we were playing basketball可以给否定句和疑问句吗？？你给句子出来，我试试就是你翻译的这些哈