Where You Are and What You're Doing
S + 在 + 地点/网上 + 动词Use 在 to indicate a place or location, including 在网上 (online), followed by an action verb.
我在网上看书。
I read books online.
他在学校打球。
He plays ball at school.
Learn 在 + 地点/网上 + 动词 and 时间词 + 了 through Last Time and Plans.
Examples
我喜欢打球。
I like to play ball.
他每天下午打球。
He plays ball every afternoon.
Examples
我喜欢用电灯。
I like to use an electric lamp.
请把电扇打开。
Please turn on the electric fan.
Examples
我们下午四点放学。
We get out of school at four in the afternoon.
放学后,我去图书馆。
After school, I go to the library.
Examples
猫在屋子里边。
The cat is inside the room.
请到里边来坐。
Please come inside and sit down.
Examples
书在桌子的上边。
The book is on top of the table.
请看上边的句子。
Please look at the sentence above.
Examples
上次我们去了北京。
Last time we went to Beijing.
上次的电影很好看。
The movie last time was very good.
Examples
我喜欢在网上买东西。
I like buying things online.
你可以在网上查资料。
You can look up information online.
Examples
下次我请你吃饭。
Next time I'll treat you to a meal.
下次我们去公园玩。
Next time let's go play in the park.
Examples
请等我一会儿。
Please wait a moment for me.
我们一会儿见。
See you in a little while.
S + 在 + 地点/网上 + 动词Use 在 to indicate a place or location, including 在网上 (online), followed by an action verb.
我在网上看书。
I read books online.
他在学校打球。
He plays ball at school.
时间词 + 了Put a duration phrase + 了 (usually at the start of the clause) to stress the time that has elapsed.
半年了,我们没见面。
It's been half a year and we haven't met.
半天了,他还在工作。
It's been half a day, and he's still working.
Two friends arrange to go play ball together.
上次我们打球是什么时候?
When was the last time we played ball?
是前天。我记得,是下午三点。
It was the day before yesterday. I remember, it was three p.m.
对,下次我们什么时候打球?
Right, when shall we play ball next time?
后天下午,怎么样?
The day after tomorrow in the afternoon, how about that?
好。上次在网上看了一会儿球,很好。
Sounds good. Last time I watched ball online for a while; it was really good.
好的,后天见!
Okay, see you the day after tomorrow!
后天放学,我们去打球。球在书包里边吗?
After school the day after tomorrow let’s go play ball. Is the ball inside the school bag?
不在里边,在床上。我看一下儿。
Not inside — it’s on the bed. Let me have a look.
好。放假的时候,我们天天打球,好不好?
Great. During the holiday let’s play ball every day, OK?
好!后天我给你打电话。
Sure! I’ll call you the day after tomorrow.