English verb conjugation
SHOULD DETAIN

Regular verb: detain - detained - detained

Affirmation

Simple form	V-ing form
I'd detain you'd detain he'd detain we'd detain you'd detain they'd detain	I'd be detaining you'd be detaining he'd be detaining we'd be detaining you'd be detaining they'd be detaining
Perfect	V-ing perfect
I should've detained you should've detained he should've detained we should've detained you should've detained they should've detained	I should've been detaining you should've been detaining he should've been detaining we should've been detaining you should've been detaining they should've been detaining

Negation

Simple form	V-ing form
I shouldn't detain you shouldn't detain he shouldn't detain we shouldn't detain you shouldn't detain they shouldn't detain	I shouldn't be detaining you shouldn't be detaining he shouldn't be detaining we shouldn't be detaining you shouldn't be detaining they shouldn't be detaining
Perfect	V-ing perfect
I shouldn't have detained you shouldn't have detained he shouldn't have detained we shouldn't have detained you shouldn't have detained they shouldn't have detained	I shouldn't have been detaining you shouldn't have been detaining he shouldn't have been detaining we shouldn't have been detaining you shouldn't have been detaining they shouldn't have been detaining

Interrogative form

Simple form	V-ing form
should I detain? should you detain? should he detain? should we detain? should you detain? should they detain?	should I be detaining? should you be detaining? should he be detaining? should we be detaining? should you be detaining? should they be detaining?
Perfect	V-ing perfect
should I have detained? should you have detained? should he have detained? should we have detained? should you have detained? should they have detained?	should I have been detaining? should you have been detaining? should he have been detaining? should we have been detaining? should you have been detaining? should they have been detaining?

Interro-negative form

Simple form	V-ing form
shouldn't I detain? shouldn't you detain? shouldn't he detain? shouldn't we detain? shouldn't you detain? shouldn't they detain?	shouldn't I be detaining? shouldn't you be detaining? shouldn't he be detaining? shouldn't we be detaining? shouldn't you be detaining? shouldn't they be detaining?
Perfect	V-ing perfect
shouldn't I have detained? shouldn't you have detained? shouldn't he have detained? shouldn't we have detained? shouldn't you have detained? shouldn't they have detained?	shouldn't I have been detaining? shouldn't you have been detaining? shouldn't he have been detaining? shouldn't we have been detaining? shouldn't you have been detaining? shouldn't they have been detaining?