English verb conjugation
SHOULD PREPURCHASE

Regular verb: prepurchase - prepurchased - prepurchased

Affirmation

Simple form	V-ing form
I'd prepurchase you'd prepurchase he'd prepurchase we'd prepurchase you'd prepurchase they'd prepurchase	I'd be prepurchasing you'd be prepurchasing he'd be prepurchasing we'd be prepurchasing you'd be prepurchasing they'd be prepurchasing
Perfect	V-ing perfect
I should've prepurchased you should've prepurchased he should've prepurchased we should've prepurchased you should've prepurchased they should've prepurchased	I should've been prepurchasing you should've been prepurchasing he should've been prepurchasing we should've been prepurchasing you should've been prepurchasing they should've been prepurchasing

Negation

Simple form	V-ing form
I shouldn't prepurchase you shouldn't prepurchase he shouldn't prepurchase we shouldn't prepurchase you shouldn't prepurchase they shouldn't prepurchase	I shouldn't be prepurchasing you shouldn't be prepurchasing he shouldn't be prepurchasing we shouldn't be prepurchasing you shouldn't be prepurchasing they shouldn't be prepurchasing
Perfect	V-ing perfect
I shouldn't have prepurchased you shouldn't have prepurchased he shouldn't have prepurchased we shouldn't have prepurchased you shouldn't have prepurchased they shouldn't have prepurchased	I shouldn't have been prepurchasing you shouldn't have been prepurchasing he shouldn't have been prepurchasing we shouldn't have been prepurchasing you shouldn't have been prepurchasing they shouldn't have been prepurchasing

Interrogative form

Simple form	V-ing form
should I prepurchase? should you prepurchase? should he prepurchase? should we prepurchase? should you prepurchase? should they prepurchase?	should I be prepurchasing? should you be prepurchasing? should he be prepurchasing? should we be prepurchasing? should you be prepurchasing? should they be prepurchasing?
Perfect	V-ing perfect
should I have prepurchased? should you have prepurchased? should he have prepurchased? should we have prepurchased? should you have prepurchased? should they have prepurchased?	should I have been prepurchasing? should you have been prepurchasing? should he have been prepurchasing? should we have been prepurchasing? should you have been prepurchasing? should they have been prepurchasing?

Interro-negative form

Simple form	V-ing form
shouldn't I prepurchase? shouldn't you prepurchase? shouldn't he prepurchase? shouldn't we prepurchase? shouldn't you prepurchase? shouldn't they prepurchase?	shouldn't I be prepurchasing? shouldn't you be prepurchasing? shouldn't he be prepurchasing? shouldn't we be prepurchasing? shouldn't you be prepurchasing? shouldn't they be prepurchasing?
Perfect	V-ing perfect
shouldn't I have prepurchased? shouldn't you have prepurchased? shouldn't he have prepurchased? shouldn't we have prepurchased? shouldn't you have prepurchased? shouldn't they have prepurchased?	shouldn't I have been prepurchasing? shouldn't you have been prepurchasing? shouldn't he have been prepurchasing? shouldn't we have been prepurchasing? shouldn't you have been prepurchasing? shouldn't they have been prepurchasing?