Стр.71 Unit 5 Новые медиа ГДЗ Комарова Ларионова 8 класс
Grammar Present perfect with for and since We use the present perfect with for when wе mention the period or length of time of a situation.
Приведем выдержку из задания из учебника Комарова, Ларионова 8 класс, Русское слово:
Grammar
Present perfect with for and since
We use the present perfect with for when wе mention the period or length of time of a situation.
We had the ringtone for two weeks.
We use the present perfect with since when we mention the point of time when a situation started.
My friend has been at school since 8.30 this morning.
We use How long with the present perfect to ask about the duration of an action or situation.
How long have you had the ringtone?
How long has your friend been at school?
Present perfect with just
I/ You / We / They’ve (have)
He / She / It’s (has)
just
sent an email.
We use just with the present perfect to talk about very recent actions.
We use subject + have / has + just + past participle.
I’ve just bought a new MP3 player.
My brother has just started a blog.
Present perfect and past simple
We use the present perfect for situations when the time period is not finished.
I’ve had this computer for five years.
(I’ve got the same computer now.)
We use the past simple for completed actions in the past, when the time period is finished.
I sent my first email six years ago.
Time expressions
We use ever, for and since with the present perfect (when the time period we are talking about is not finished).
Have you ever read Emma by Jane Austen? The game has been in the shops for two weeks.
OK! Magazine has been popular since the late 1990s.
We use ago, in (+ year / month / season / year), last week / month / year, etc, when l was a child / ten, etc with the past simple (when the time period is finished). Magazines were more popular ten years ago.
They set up the website in 2006.
The magazine closed last year.
Which school did you go to when you were little?