Номер 2, страница 123 - гдз по английскому языку 7 класс учебник Комарова, Ларионова

Unit 9. Best Friends?. Language Guide - номер 2, страница 123.

Условие.

Grammar Present perfect: affirmative

affirmative
I / You've	run a marathon.
He / She / It's	won the Championship. climbed the mountain.
We / You / They've

We use the present perfect to talk about experiences in the past, when we don't know exactly when they happened.

spelling rules for past participles

Most regular verbs: add ed.	play → played
Regular verbs ending in e: add d.	receive → received
Regular verbs ending in consonant + y: change y to i and add ed.	try → tried
Regular verbs ending in consonant + vowel + consonant: double the final consonant and add ed.	stop → stopped

Some past participle irregular verbs are the same as past simple irregular verbs: had – had tried – tried

Others are different from past simple irregular verbs: saw – seen swam – swum

Tense review

Present

	affirmative	negative
present simple	They live in Belfast.	They don't live in London.
present continuous	I'm doing my homework.	I'm not doing the washing up.

We use the present simple for routines and habits.

We use the present continuous to describe what is happening at the moment.

Grammar exercises → Workbook p115

Past

	affirmative	negative
past simple	He read my horoscope.	He didn't read the TV guide.
past continuous	It was getting better.	It wasn't getting worse.
present perfect	I've had a hard time.	I haven't had an easy time.

We use the past simple to talk about events in the past. All persons are the same. Regular verbs end in ed. See page 167 for the Irregular verbs list.

We use the past continuous to describe an action in progress in the past. It is often used with the past simple and the time expressions when (before the past simple) and while (after the past continuous) to describe an event that happened during a longer action in the past.

Future

	affirmative	negative
will	You'll live in Moscow.	You won't live here all your life.
be going to	I'm going to see my uncle.	I'm not going to see my aunt.
present continuous for future	I'm catching the ten o'clock train.	I'm not catching the half past ten train.

We use will or won't when we're not sure about something in the future and make predictions.

We use be going to + verb to talk about future plans and intentions.

We use the present continuous in the future for definite plans. We usually use a future time expression.

Time expressions

present	past	future
at the moment	yesterday	tomorrow
every day	last week	next week
	2 years ago	next year

Решение.