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