1、I often　　　　 　to school by bike.

2、　　　　 　does it take them to clean the classroom?

　　 how long多长，用来询问时间， 指时间上的长短。How far多远，用来询问距离，指路上的远近。

1、　　　　 　is it from your home to school?

(五)表示状态的动词不能用于现在完成进行时。

I have known him for years.

我认识他已经好几年了。

I have been knowing...

这类不能用于现在完成进行时的动词还有：love爱，like喜欢，hate讨厌等。

(四)大多数现在完成进行时的句子不等同于现在完成时的句子。

I have been writing a book.(动作还将继续下去)

我一直在写一本书。

I have written a book.(动作已经完成)

我已经写了一本书。

They have been building a bridge.

他们一直在造一座桥。

They have built a bridge.

他们造了一座桥。

(三)有些现在完成进行时的句子等同于现在完成时的句子。

They have been living in this city for ten years.

They have lived in this city for ten years.

他们在这个城市已经住了10年了。

I have been working here for five years.

I have worked here for five years.

我在这里已经工作两年了。

(二)表示在说话时刻之前刚刚结束的动作。

We have been waiting for you for half an hour.

我们已经等你半个钟头了。(动作不在继续下去)

现在完成进行时的谓语动词构成

I/ we/ you/ they have been working

he/ she/ it has been working

现在完成进行时的用法

(一)表示从过去某时开始一直持续到现在的动作，并且还将持续下去。

The Chinese have been making paper for two thousand years.

中国有2000年的造纸历史。(动作还将继续下去)

I have been learning English since three years ago.

自从三年前以来我一直在学英语。(动作还将继续下去)

14. By the way, what’s your hobby?

　　 by the way 顺便说(提)一下。

way可指“道路”“方法、途经，方式”

13. I’d like to start a snow globe collector’s club.

　　 　would like to do sth. 想做某事(would常缩写为’d)

　　 　start v. 开办、创建