新概念英语第一册90课课件：一课一题一语法 新概念英语第1册第89-90课
新概念英语第一册90课课件：一课一题一语法 新概念英语第1册第89-90课3. 我爸爸从未去过东京。She has just passed the English test.1. 汤姆已经看完这本小说了。Tom has already finished reading this novel.2. 她刚通过英语考试。
【往期回顾】
一课一题一语法：新概念英语第1册第87-88课
下面是第87-88课的参考答案：
【答案】
1. 汤姆已经看完这本小说了。
Tom has already finished reading this novel.
2. 她刚通过英语考试。
She has just passed the English test.
3. 我爸爸从未去过东京。
My father has never been to Tokyo.
4. 他的叔叔曾经去过台湾。
His uncle has ever been to Taiwan.
5. 我的朋友凯丽坐飞机去英国了。
My friend Kelly has gone to Britain by plane.
6. 他还没有到达机场。
He has not arrived at the airport yet.
7. 你修好我的电脑了吗？
Have you repaired my computer yet?
【本期内容】
下面我们继续本周《新概念英语1》第89-90课的重点句型或语法的分享。先来读一读第89课的课文：
一、课文原文
二、重点句型或语法
本课继续学习现在完成时的用法。
（一）构成方式
现在完成时中动词的基本构成方式为：
have / has done
其中，have或has为助动词，done为过去分词。
（二）基本用法
现在完成时的基本用法为：
sb. have / has done sth.
如：
They have arrived home.
She has made some cakes.
其否定表达为：
sb. have / has not done sth.
如：
They have not arrived home.
She has not made any cakes.
其疑问句需要把助动词have或has提到主语前面，如：
Have they arrived home?
Has she made any cakes?
Where have they arrived?
What has she made?
