English verb conjugation
SHOULD DROP

Regular verb: drop - dropped - dropped

Affirmation

Simple form	V-ing form
I'd drop you'd drop he'd drop we'd drop you'd drop they'd drop	I'd be dropping you'd be dropping he'd be dropping we'd be dropping you'd be dropping they'd be dropping
Perfect	V-ing perfect
I should've dropped you should've dropped he should've dropped we should've dropped you should've dropped they should've dropped	I should've been dropping you should've been dropping he should've been dropping we should've been dropping you should've been dropping they should've been dropping

Negation

Simple form	V-ing form
I shouldn't drop you shouldn't drop he shouldn't drop we shouldn't drop you shouldn't drop they shouldn't drop	I shouldn't be dropping you shouldn't be dropping he shouldn't be dropping we shouldn't be dropping you shouldn't be dropping they shouldn't be dropping
Perfect	V-ing perfect
I shouldn't have dropped you shouldn't have dropped he shouldn't have dropped we shouldn't have dropped you shouldn't have dropped they shouldn't have dropped	I shouldn't have been dropping you shouldn't have been dropping he shouldn't have been dropping we shouldn't have been dropping you shouldn't have been dropping they shouldn't have been dropping

Interrogative form

Simple form	V-ing form
should I drop? should you drop? should he drop? should we drop? should you drop? should they drop?	should I be dropping? should you be dropping? should he be dropping? should we be dropping? should you be dropping? should they be dropping?
Perfect	V-ing perfect
should I have dropped? should you have dropped? should he have dropped? should we have dropped? should you have dropped? should they have dropped?	should I have been dropping? should you have been dropping? should he have been dropping? should we have been dropping? should you have been dropping? should they have been dropping?

Interro-negative form

Simple form	V-ing form
shouldn't I drop? shouldn't you drop? shouldn't he drop? shouldn't we drop? shouldn't you drop? shouldn't they drop?	shouldn't I be dropping? shouldn't you be dropping? shouldn't he be dropping? shouldn't we be dropping? shouldn't you be dropping? shouldn't they be dropping?
Perfect	V-ing perfect
shouldn't I have dropped? shouldn't you have dropped? shouldn't he have dropped? shouldn't we have dropped? shouldn't you have dropped? shouldn't they have dropped?	shouldn't I have been dropping? shouldn't you have been dropping? shouldn't he have been dropping? shouldn't we have been dropping? shouldn't you have been dropping? shouldn't they have been dropping?