现在完成时sofar造句,并改成否定句,疑问句,且欲肯定,否定回答？

Question

如题所述

Answer 1

I have made 10 friends so far.
I haven't made 10 friends so far.
Have you made 10 friends so far？
Yes, I have
No, I haven't

Answer 2

so far（到目前为止）常和现在完成时态连用。
造句：I have learned 1000 words so far. (我到目前为止已经学了1000个单词。）
否定句：I haven't learned 1000 words so far.
疑问句：Have you learned 1000 words so far?
肯定回答：Yes, we have.
否定回答：No, we haven't.

Answer 3

第一句
肯定句I have found my pen.
疑问句 Have you found your pen?
Yes, I have. No, I haven't.
否定句I haven't found my pen.