百度作业网事态复习1
来源：学生作业帮 编辑：百度作业网作业帮 分类：英语作业 时间：2024/04/28 23:15:03
解题思路： 见下
解题过程：
现在完成时的形式： have/has done
常见以下3组时间状语：
1、 already， yet，justI
•I’ve just finished reading the novel.
、 for＋时间段，since, ever since, so far, by now, up till now, up to now, till/until now, in the past\last ……, lately, recently, all day, all this week, these days, these years.
3 3、ever, never, before, once, twice, several times.
• —Have you ever climbed Mounts Tai?
•Tom has had a toothache all day.
2
最终答案：略
解题过程：
现在完成时的形式： have/has done
常见以下3组时间状语：
1、 already， yet，justI
•I’ve just finished reading the novel.
、 for＋时间段，since, ever since, so far, by now, up till now, up to now, till/until now, in the past\last ……, lately, recently, all day, all this week, these days, these years.
3 3、ever, never, before, once, twice, several times.
• —Have you ever climbed Mounts Tai?
•Tom has had a toothache all day.
2
最终答案：略