句子之间的区别 I had some problems ____(solve)and Imust go to my office earlier today.[to solve]she often has problems _____(work)others.[working]怎样区别?我知道两个的用法,但我做题目时不知道如何区别.

句子之间的区别 I had some problems ____(solve)and Imust go to my office earlier today.[to solve]she often has problems _____(work)others.[working]怎样区别?我知道两个的用法,但我做题目时不知道如何区别. sometimes-some times-sometime-some time之间的区别 分词完成时Had和Having区别分词完成时Having+P.P与Had+P.P的区别 she pretended not to see me when I passed by.这个句子中不定式做啥成分?宾语的话,那me是啥成分?this book is worthy of a read对吗?he had no choice but to wait.but连接两个句子,为啥后面的句子没谓语?省略了啥?Some p If I had worked hard at school,I would be an engineer,too.与If I had worked hard at school,I would have been an engineer,too.求教两者之间语气的区别两者意思是一样的吗 根据首字母及句意完成句子：There were some cakes,After I had one,I had a_____.请再帮我翻译其句子, Some和plenty of之间的区别是什么 I didn't have 和 I didn't had它们之间的区别是什么？语意和用法上有什么不同？ 普通的简单句是不是句子与句子之间不会影响时态的 好像I bought some books.All of them are interesting must have+P.P 与may,might could have +p.p的区别 may have +P.P.might have +P.P .could have +p.P 之间的区别 i have had和 i had had 有什么区别? I had cut my hair 和 I had my hair cut的区别 Yesterday i had some photos _____(take) I've had some dollars on I an have some had 改成现在完成时 I wish I had some one like that 中'had'的形式是过去式还是过去分词为什么?谢谢 I had been sitting的意思.,时态,相关句子-举例 有没有what a time I had这样的句子?