SHOULD HAVE + past participle
= something would have been the right or better thing to do, but it didn't happen.
๐ซ๐ท J'aurais dรปโฆ
Structure:
subject + should have + past participle
I should have taken more water.
I should have listened to my mother.
I should have gone to bed earlier.
SHOULDN'T HAVE + past participle
= something happened, but it would have been better not to do it.
๐ซ๐ท Je n'aurais pas dรปโฆ
Structure:
subject + shouldn't have + past participle
I shouldn't have brought such a heavy book.
I shouldn't have believed the shop assistant.
I shouldn't have stayed awake so late.
Compare:
I should go to bed earlier.
โ advice about now / the future
I should have gone to bed earlier.
โ it's too late: I'm talking about a past situation.
โ ๏ธ REMEMBER
After should have / shouldn't have, use the past participle.
โ I should have go to bed earlier.
โ
I should have gone to bed earlier.
โ I shouldn't have believed? โ actually believed is correct because it is a regular verb.
go โ went โ gone
take โ took โ taken
bring โ brought โ brought