Every day we see him ___(sing)happily.在这里为什么要填非谓语的动名词形式呢?

Every day we see him ___ (sing)happily.填Sing还是singing,为什么? Every day we see him ___(sing)happily.在这里为什么要填非谓语的动名词形式呢? we should try to make him __(walk)every day. i see him soccer almost every dayI see him play basketball almost every day.为什么play不加s? we see the street cleaner__the street every day .(clean/cleaning) I see him play every day 改被动句He is seen to play by___every day. We play football with him every day划线部分提问him划线， no,but i see him ____(经过)by his house every day 中文提示写单词 do you know the little boy?no,but i see him( )by my house every day. We can often hear him( ) English in the morning every day.是用reading还是read? learned from him that every day we have the choice to live fully.划分句子, It takes him half an hour ____(watch)CCTV new every day We ____(not see)each other for a long time用括号中的词的适当形式填空 every day,we can see some people _____the streets in our estste.(sweep) 英语在线连词成句 over day we planes town see every our can . we can see aevertistisements every day.What do you think of them?英语作文谢了 用词语的适当形式填空：Every day,I can see him ______(work) in his garden.Every day,I can see him ______(work) in his garden.应该填神马啊 Who does he often wait here for a long time?I almost see him every day.哪儿错了? Bill likes soccer very much.I see him ___ soccer almost every day when I pass the playground.