Comparisons
A + 比 + B + 形容词Use 比 (bǐ) to compare two things or people. The pattern is: A 比 B + adjective. The adjective after 比 does not need 很 added to it.
学校比家大。
The school is bigger than the house.
医院比商店小。
The hospital is smaller than the store.
Learn A + 比 + B + 形容词 and 时间 + (在 + 地点) + 动词 + 了 through Asking About Yesterday.
Examples
他比我高。
He is taller than me.
我们比一比。
Let's compare.
Examples
我回家。
I go home.
他给我打了两回电话。
He called me twice.
Examples
我要回家。
I want to go home.
Examples
他去医院。
He goes to the hospital.
Examples
昨天很忙。
Yesterday was very busy.
我昨天在家。
I was at home yesterday.
Examples
你做什么?
What are you doing?
我做饭。
I cook.
A + 比 + B + 形容词Use 比 (bǐ) to compare two things or people. The pattern is: A 比 B + adjective. The adjective after 比 does not need 很 added to it.
学校比家大。
The school is bigger than the house.
医院比商店小。
The hospital is smaller than the store.
S + 时间 + (在 + 地点) + 动词 + 了Use 了 after the verb or at the end of the sentence to talk about something done in the past, usually together with a time word such as 昨天. To state a location, put 在 + place before the verb (在 goes with places, not with time words).
我昨天上午在家学习了。
I studied at home yesterday morning.
他昨天下午去商店了。
He went to the store yesterday afternoon.
Two friends talk about what they did yesterday.
你昨天上午做什么了?
What did you do yesterday morning?
我昨天上午在家学习了。下午我去商店了。
I studied at home yesterday morning. In the afternoon I went to the store.
那个商店比学校大吗?
Is that shop bigger than the school?
不,那个商店比学校小。
No, that shop is smaller than the school.
昨天晚上你出去了吗?
Did you go out yesterday evening?
我没有出去,我在家休息了。
I didn't go out; I rested at home.