Conjugation of verb "To laugh"
Present Simple Continuous
Negative
He/She/It isn't laughing.
Negative
He/She/It wasn't laughing.
Negative
He/She/It hasn't laughed.
Present Perfect Continuous
Affirmative
He/She/It's been laughing.
Negative
You haven't been laughing.
We haven't been laughing.
He/She/It hasn't been laughing.
You haven't been laughing.
They haven't been laughing.
Interrogative
Has he/she/it been laughing?
Negative
He/She/It hadn't laughed.
Affirmative
He/She/It'd been laughing.
Negative
You hadn't been laughing.
He/She/It hadn't been laughing.
You hadn't been laughing.
They hadn't been laughing.
Interrogative
Had he/she/it been laughing?
Affirmative
He/She/It'll have laughed.
Negative
He/She/It won't have laughed.
Interrogative
Will he/she/it have laughed?
Negative
He/She/It wouldn't laugh.
Affirmative
He/She/It'd have laughed.
Negative
You wouldn't have laughed.
We wouldn't have laughed.
He/She/It wouldn't have laughed.
You wouldn't have laughed.
They wouldn't have laughed.
Interrogative
Would he/she/it have laughed?