I sent them a message yesterday改为否定句？

I bought a new yesterday改否定句

I bought a new yesterday改否定句----- I didn't buy a new yesterday.

I rowed a boat yesterday.(变否定句)

I didn't row a boat yesterday.问题已解决记的采纳,点击右下的采纳. I didn't rowed a boat yesterday. 问题已解决记的采纳,点击右下的采纳.

I saw a film yesterday evening.( 改成否定句)

didn't see.时态为过去时,所以借助动词did,否定didn't.然后动词还原动词原形.

I wasat the cinema yesterday.改成否定句

I was at the cinema yesterday 这句话不对,IN the cinema

I cleaned my room yesterday afternoon改为否定句、一般疑问句、肯定.

否定句: I didn't clean my room yesterday afternoon.一般疑问句: Did you clean your room yesterday afternoon?肯定回答: Yes,I did.否定回答: No,I didn't.要注意:陈述句改为一般疑问句时,若主语是I,we要改成you.可希a不是你很高兴为您解答!

I saw Danny yesterday.改为否定句

I saw Danny or nothing yesterday

I washed my hair yesterday改为否定句

否定句:I didn't wash my hair yesterday

I did my homework yesterday. 改为否定句?

I didn't do my homework yesterday.我昨天没做作业

I had a cough yesterday 变否定句一般疑问句和肯定句否定句

否定句I didn't have a cough yesterday .

I bought a new bike yesterday.(改为否定句和一般疑问句)

I didn't buy a new bike yesterday.Did you buy a new bike yesterday?祝你学习进步,更上一层楼!(*^__^*) 有不会的可以再问我:)