English verb conjugation
SHOULD ESTIMATE

Regular verb: estimate - estimated - estimated

Affirmation

Simple form	V-ing form
I'd estimate you'd estimate he'd estimate we'd estimate you'd estimate they'd estimate	I'd be estimating you'd be estimating he'd be estimating we'd be estimating you'd be estimating they'd be estimating
Perfect	V-ing perfect
I should've estimated you should've estimated he should've estimated we should've estimated you should've estimated they should've estimated	I should've been estimating you should've been estimating he should've been estimating we should've been estimating you should've been estimating they should've been estimating

Negation

Simple form	V-ing form
I shouldn't estimate you shouldn't estimate he shouldn't estimate we shouldn't estimate you shouldn't estimate they shouldn't estimate	I shouldn't be estimating you shouldn't be estimating he shouldn't be estimating we shouldn't be estimating you shouldn't be estimating they shouldn't be estimating
Perfect	V-ing perfect
I shouldn't have estimated you shouldn't have estimated he shouldn't have estimated we shouldn't have estimated you shouldn't have estimated they shouldn't have estimated	I shouldn't have been estimating you shouldn't have been estimating he shouldn't have been estimating we shouldn't have been estimating you shouldn't have been estimating they shouldn't have been estimating

Interrogative form

Simple form	V-ing form
should I estimate? should you estimate? should he estimate? should we estimate? should you estimate? should they estimate?	should I be estimating? should you be estimating? should he be estimating? should we be estimating? should you be estimating? should they be estimating?
Perfect	V-ing perfect
should I have estimated? should you have estimated? should he have estimated? should we have estimated? should you have estimated? should they have estimated?	should I have been estimating? should you have been estimating? should he have been estimating? should we have been estimating? should you have been estimating? should they have been estimating?

Interro-negative form

Simple form	V-ing form
shouldn't I estimate? shouldn't you estimate? shouldn't he estimate? shouldn't we estimate? shouldn't you estimate? shouldn't they estimate?	shouldn't I be estimating? shouldn't you be estimating? shouldn't he be estimating? shouldn't we be estimating? shouldn't you be estimating? shouldn't they be estimating?
Perfect	V-ing perfect
shouldn't I have estimated? shouldn't you have estimated? shouldn't he have estimated? shouldn't we have estimated? shouldn't you have estimated? shouldn't they have estimated?	shouldn't I have been estimating? shouldn't you have been estimating? shouldn't he have been estimating? shouldn't we have been estimating? shouldn't you have been estimating? shouldn't they have been estimating?