一、按要求改写句子。1)Do you often play football after school? (改为肯定句)I often play football after school.2)I have some books.
常与过去时间状语如yesterday,two days ago,last year,the other day,once upon a time,just now,in the old days等连用。在这种情况下,往往没有表示过去的时间状语,而通过上下文来表示.