英语问题I can finish the book in three years.不是说can只能用于过去时和现在时吗?

关于情态动词can我知道can可以表示可能性 但是不是只能用于否定句和疑问句吗作业上The temperature in you can't finish the book in less and hour,I suppose?I suppo 同义句转换I can't finish the work in three days.It is ______ ____ can you finish ___(read) the book in an hour? You can have the book------I finish reading it 英语i____ the book these days and i can finish reading it with in the past three years 可以用于一般过去时吗? I can borrow you the book.borrow的主语只能 I can finish the work in sixty minutes.改为同义句 I can finish th if you can finish the task s_______ in three days,you can ge when can you finish -----(write) the book ago last只能用于过去时吗