Show:
use Verb + 了+ numeral + measure word + noun + 了
use 下去 indicating continuation
use question pronouns with 都/也
use 连。。。都/也 verb
V+N+V了+time
Verb+不下
Verb+下去
Time+没+V+了
100
My little brother has been sleeping for more than 8 hours. He still wants to keep sleeping.
我弟弟睡了八个多钟头的觉了，他还要睡下去。 我弟弟睡觉睡了八个多小时了，他还想睡下去。
100
Chinese people eat everything even rabbits.
中国人什么都吃，连兔子都吃。
100
My younger brother has been learning Chinese for three year, but he can not even write the character “天”.
弟弟学中文学了三年了， 可是连“天”字都不会写。
100
Our kitchen is extremely small, it won’t even fit a dining table.
我们的厨房小得不得了，连一张饭桌都放不下。
100
My little sister hasn’t been eating anything for two days.
我妹妹两天没吃东西了。
200
We have been learning Chinese for more than 3 years. However, we still want to continue learning Chinese when we go to college.
我们学了三年多中文，但是我们上大学的时候还要学下去。
200
His apartment has nothing; not even a chair.
他的公寓什么都没有，连一把椅子都没有。
200
They've been chatting online for three hours.
他们在网上聊天聊了三个小时了。
200
Our classroom is not big enough for fifty people (can not sit fifty people).
我们的教室（不大）坐不下五十个人。
200
She hasn’t slept for twenty hours.
她二十个小时没睡觉了。
300
My mom and her friends have been drinking tea for more than three hours but they still want to continue drinking their tea.
我妈妈和她的朋友喝了三个多小时的茶，但是她们还要喝下去。
300
She reads all kinds of books, even the dictionaries.
她什么书都看，连字典(zìdiǎn, dictionary)都看。
300
We’ve been learning Chinese for more than three years.
我们学中文学了三年多了。
300
This bedroom is big enough for two beds (can put two beds).
这个卧室放得下两张床。
300
They haven’t studied Chinese for two weeks.
他们两个星期没学中文了。
400
My female cousin (younger) has been shopping for quite a long time (half a day). But she still wants to keep shopping.
我的表妹买了半天的东西，她还要买下去。
400
His grand father (father's side) raises all kinds of pets; even snakes.
他的爷爷什么宠物都养，连蛇(shé, snake)都养。
400
She has been running for two hours.
她跑步跑了两个钟头了。
400
This book is good, I want to keep reading it。
这本书很好看，我想看下去。
400
We haven't eaten hamburgers for a month.
我们一个月没吃汉堡包了。
500
They have been playing tennis for a long time. But they still want to keep playing.
他们打了很长时间的网球，可是他们还要打下去。
500
His dorm does not allow to raise any pets; not even dogs.
他的宿舍什么宠物都不准养，连狗都不准养。
500
My mom has read the advertisement on paper for two hours.
我妈妈看报纸上的广告看了两个小时了。
500
Chinese is very interesting. I’d like to continue learning it!
中文有意思得不得了，我想学下去！
500
我三天没上脸书了。
I haven’t been on Facebook for three days.