Grammar 1.16

1. Lesson 1, Page 33
Grammar Explanation 1.16

2. 1.16 Questions with How Often
Examples Explanation
How often do you take your dog out? We use how often when we want to know about
the frequency of an activity.
We answer with a frequency expression.
I take her out three times a day.
How often do you take your cat to the vet?
I take my cat to the vet twice a year.
Once in a while, a dolphin gets lost. A frequency expression can come at the
beginning or at the end of a sentence. When it
comes at the beginning of the sentence, we
sometimes separate it from the rest of the
sentence with a comma
A dolphin gets lost once in a while.
Every seven minutes, a dolphin needs air.
A dolphin needs air every seven minutes.

3. 1.16 Questions with How Often
Language Note:
Some frequency expressions are:
• every (other day/week/month/year
• several/many/ a few/ five times – a day/week/month/year
• once/twice – a day/week/month/year
• from time to time
• once in a while