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