[Have + [p. passé] I (bo visit) Londres. He (to be) late/ You (to do) a cake / Shy (to eat) hamburger -> ​

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Bonjour

[Have + [p. passé]  = present perfect

I have visited London.

He has been late.

You have done a cake.

She has eaten a hamburger.​

Bonne journée☺☺☺