English verb conjugation
SHOULD DRAIN

Regular verb: drain - drained - drained

Affirmation

Simple form	V-ing form
I'd drain you'd drain she'd drain we'd drain you'd drain they'd drain	I'd be draining you'd be draining she'd be draining we'd be draining you'd be draining they'd be draining
Perfect	V-ing perfect
I should've drained you should've drained she should've drained we should've drained you should've drained they should've drained	I should've been draining you should've been draining she should've been draining we should've been draining you should've been draining they should've been draining

Negation

Simple form	V-ing form
I shouldn't drain you shouldn't drain she shouldn't drain we shouldn't drain you shouldn't drain they shouldn't drain	I shouldn't be draining you shouldn't be draining she shouldn't be draining we shouldn't be draining you shouldn't be draining they shouldn't be draining
Perfect	V-ing perfect
I shouldn't have drained you shouldn't have drained she shouldn't have drained we shouldn't have drained you shouldn't have drained they shouldn't have drained	I shouldn't have been draining you shouldn't have been draining she shouldn't have been draining we shouldn't have been draining you shouldn't have been draining they shouldn't have been draining

Interrogative form

Simple form	V-ing form
should I drain? should you drain? should she drain? should we drain? should you drain? should they drain?	should I be draining? should you be draining? should she be draining? should we be draining? should you be draining? should they be draining?
Perfect	V-ing perfect
should I have drained? should you have drained? should she have drained? should we have drained? should you have drained? should they have drained?	should I have been draining? should you have been draining? should she have been draining? should we have been draining? should you have been draining? should they have been draining?

Interro-negative form

Simple form	V-ing form
shouldn't I drain? shouldn't you drain? shouldn't she drain? shouldn't we drain? shouldn't you drain? shouldn't they drain?	shouldn't I be draining? shouldn't you be draining? shouldn't she be draining? shouldn't we be draining? shouldn't you be draining? shouldn't they be draining?
Perfect	V-ing perfect
shouldn't I have drained? shouldn't you have drained? shouldn't she have drained? shouldn't we have drained? shouldn't you have drained? shouldn't they have drained?	shouldn't I have been draining? shouldn't you have been draining? shouldn't she have been draining? shouldn't we have been draining? shouldn't you have been draining? shouldn't they have been draining?