b Make sentences with the present perfect simple or present perfect continuous (and for since if necessary). Use the present perfect continuous if possible. I/work for a charity / eight years I've been working for a charity for eight years. 1 we/know each other, we were children 2 the children / play computer games /two hours 3 your sister / have that hairstyle / a long time? 4 l/love her the first day we met 5 my internet connection/not work/yesterday 6 how long/you/ wait? 7 I/ be a teacher three years 8 it / snow / five o'clock this morning 9 Sam/not study enough /recently 10 you / live in London / a long time?​

We have known each other since we were children.

• Use the present perfect simple here because "know" is a stative verb that doesn’t typically take the continuous form.

The children have been playing computer games for two hours.

• The present perfect continuous is used to emphasize the ongoing activity.

Has your sister had that hairstyle for a long time?

• The present perfect simple is used because "have" in this context is stative.

I have loved her since the first day we met.

• The present perfect simple is appropriate because "love" is a stative verb.

My internet connection hasn’t been working since yesterday.

• The present perfect continuous is used to stress the ongoing issue.

How long have you been waiting?

• The present perfect continuous is used to focus on the duration of the activity.

I have been a teacher for three years.

• The present perfect simple is correct here because "be" is a stative verb.

It has been snowing since five o’clock this morning.

• The present perfect continuous emphasizes the ongoing nature of the snow.

Sam hasn’t been studying enough recently.

• The present perfect continuous highlights recent and ongoing behavior.

Have you been living in London for a long time?

• The present perfect continuous is used to stress the ongoing nature of living in London.