Jim couldn’t swim at the age of five-------- ---------/

Jim couldn’t swim at the age of five-------- ---------/ 英语翻译I‘m very ___ ___ ___ at _____,but I couldn't swim in the past. I couldn't swim when I was yong.She couldn't,____ .怎么填? I can swim now but couldn't swim when l ___ ten years old. Jack couldn't swim across the river.改同意句为Jack wasn't( )( )swim across the river. couldn't have done 表示什么Jim!Did you have a good time at the party?Yes,but I really _____ have because I had a lot of work to do.A shouldn’t B couldn’t 注解说是对过去发生的事情的否定猜测用couldn’t have done ,我不明. could you swim at the age of six?i said to Jim,改为宾语从句i asked Jim ( ) he ( ) swim at the age of six He said he （）swim when he was six 这里是could还是couldn‘t Jim is good at _(swim).He swims well.用适当形式填空 at the age of eight,Jim could swim改为同义句 Jim was so n____ about the exams that he couldn't sleep well. Jim doesn't know how he can swim同义句怎么改 Jim doesn`t know how he can swim的同义句 Jim d__ swim as fast as the other boys.是 DOES 还是DOESN'T？ what_____pity that you couldn't be at ___party 冠词填空 who couldn't see anything at the age of The girl without you I couldn't sleep at night. she couldn't help ____(smile)at the words.