all by oneself的例子谢谢.还有all about的~谢谢~

all by oneself的用法分析
all by oneself意为“单独,独立”,在英语中应用十分广泛,你可一定要学会“独立”哟!
①all by oneself“单独”使用时,可与alone互换.如：
We’re here all by ourselves. There’s nothing. 也可说：We’re here alone.
②all可省去,意思不改变.如：
You should do your homework by yourself. Don’t want anyone to help you.
③by oneself可与leave, learn等词搭配.
leave sb. by oneself意为“把某人单独留下”,注意此时oneself应与leave后面宾语的人称保持一致.如：
She can’t leave her son by himself. He will be afraid and cry.
learn sb. by oneself意为自学,相当于teach oneself sth. 如：
–I learn English by myself. 也可说：I teach myself English.
–You’re great!
你学会“独立”了吗?那么请做下面的“独立”闯关题：
1. No, thanks. We can do this kind of work by_________.
A. us B. ours C. our D. ourselves
2. The problem is easy, you can do it by_________.
A. your B. you C. yourself D. yours
3. Don’t leave him by________. He will feel afraid.
A. him B. his C. yourself D. himself
4. —She’s too busy to help us finish the work.
—Let’s do it_________.
A. herself B. myself C. ourselves D. itself
5. The boys did the work_________. Nobody helped him.
A. all by themself B. all by themselves
C. by all themself D. by all themselves
Keys: 1—5 DCDCB