Positive
Full Form
I/you have arrived
He/she/it has arrived
we/you/they have arrived
Short Form
I've arrived
he's arrived
we've arrived
Negative
Full Form
I/you have not arrived
he/she/it has not arrived
we/you/they have not arrived
Short Form
I /you haven't
she/he/it hasn't
we/you/they haven't
Questionns
Have I/you arrived?
Has he/she/it arrived?
Have we/you/they arrived?
2.-Regular past participles ending ed or d:
Many past participles are irregular:
Buy ---> bought go ---> gone
make ---> made
3.- we use the Present Perfect:
---> to talk about recent actions:
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At 18.00, Anne arrived home
At 18.01, we can say:
Anne has arrived home.
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From 18.30 to 19.00. Anne ate her dinner.
At 19.01, we can say:
She's eaten her dinner
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---> to talk about our lives:
I've sailed across the atlantic.
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I haven't danced the Flamenco.
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4.- when we ask people about their lives, we often use ever ( = at the time):
Have you ever been to Australia?
When people talk about their lives, they sometimes use never ( = not at any time):
I've never learnt French.
Note: that ever and never come before the past participle