Page 62 - Oxford_Grammar_for_Schools_3_Student_Book_Neat (1)

Present perfect

I can recognize and usethe present perfect to talk about past events,
experiences and situations.

Present perfect

We use the present perfect to talk about past
asses.
events that are connected to the present in some
way.We often use it to describe change.
I'velost myglasses.
(= I can't find my glasses.)

She's visitedParis three times.
(= She knows what Paris is like.)

We form the present perfect with the present You haven't lostthem.
simple of have and the past participle. They're on your head!

Affirmative
Most verbs have regular past participles.They are
I / we / you / they've (have) started
formed like regular past simple verbs.
he/ she / it's (has) started
clean -> cleaned arrive -> arrived
study -» studied try -> tried
Negative
travel —> travelled stop -> stopped
I/ we / you / they haven't started He's changedhis name.

,ho / cho / it i>r»cr>'t ctnitarl 9 9 it ml I"
ne/ sne / it nasn t startea
Haveyouever triedskateboarding?
Questions Other verbs have an irregular past participle form.
Here are some irregular past participles. For a longer
Have you (I/ we) started?
list, look at page 160.
Yes, I (we / you / they) have. drink — ÿ drunk seen eat -» eaten
No,I (we / you / they) haven't. see— ÿ
swim -> swum fall-» fallen take -» taken
Has he (she / it) started?
go -» been write -> written
Yes, he (she / it) has.
I'vewritten a letter.
No, he (she / it) hasn't.
HaveyouseenAndy?

* 1 Write the past participles of these regular and Write the past simple and past participles of
irregular verbs. these verbs. Past simple Past participle

ÿ phone phoneA 8 chat O
ÿ know knew knoWn
1 want 9 brush
1 finish
2 talk 10 build
2 catch
3 leave 11 enjoy
3 forget
4 cry 12 fix
5 tell 13 plan 4 do
6 kick 14 think 5 put

7 work 15 give 6 happen
7 break

60 Present perfect