Conjugation of verb "To believe"
Negative
He/She/It doesn't believe.
Present Simple Continuous
Negative
He/She/It isn't believing.
Negative
He/She/It didn't believe.
Negative
He/She/It wasn't believing.
Negative
He/She/It hasn't believed.
Present Perfect Continuous
Affirmative
He/She/It's been believing.
Negative
I haven't been believing.
You haven't been believing.
We haven't been believing.
He/She/It hasn't been believing.
You haven't been believing.
They haven't been believing.
Interrogative
Has he/she/it been believing?
Have they been believing?
Negative
He/She/It hadn't believed.
Affirmative
He/She/It'd been believing.
Negative
You hadn't been believing.
We hadn't been believing.
He/She/It hadn't been believing.
You hadn't been believing.
They hadn't been believing.
Interrogative
Had he/she/it been believing?
Affirmative
He/She/It'll have believed.
Negative
He/She/It won't have believed.
They won't have believed.
Interrogative
Will he/she/it have believed?
Negative
He/She/It wouldn't believe.
Affirmative
He/She/It'd have believed.
Negative
I wouldn't have believed.
You wouldn't have believed.
We wouldn't have believed.
He/She/It wouldn't have believed.
You wouldn't have believed.
They wouldn't have believed.
Interrogative
Would he/she/it have believed?
Would they have believed?