1. Adverbs of Frequency

2. We use adverbs of frequency to say: when something happened: I saw Mary yesterday. She was born in 1978. I will see you later. There was a storm during the night.

3. for how long : We waited all day. They have lived here since 2004. We will be on holiday from July 1st until August 3rd.

4. how often (frequency): They usually watched television in the evening. We sometimes went to work by car.

5. We often use a noun phrase as a time adverbial: yesterday last week/month/ year one day/week/m onth last Saturday tomorrow next week/month/ year the day after tomorrow next Friday today this week/month/ year the day before yesterday the other day/week/m onth