Adverbials of time
时间状语

We use adverbials of time to say:
我们用时间状语描述:

when something happened:
某事发生:

I saw Mary yesterday.

She was born in 1978.

I will see you later.

There was a storm during the night.

for how long :
时间长短:

We waited all day.

They have lived here since 2004.

We will be on holiday from July 1st until August 3rd.

how often (frequency):
频率大小:

They usually watched television in the evening.

We sometimes went to work by car.

We often use a noun phrase as a time adverbial:
我们经常用名词短语作时间状语: