English verb conjugation
CAN PRETTIFY

Regular verb: prettify - prettified - prettified

Affirmation

Simple form	V-ing form
I can prettify you can prettify he can prettify we can prettify you can prettify they can prettify	I can be prettifying you can be prettifying he can be prettifying we can be prettifying you can be prettifying they can be prettifying
Perfect	V-ing perfect
I can have prettified you can have prettified he can have prettified we can have prettified you can have prettified they can have prettified	I can have been prettifying you can have been prettifying he can have been prettifying we can have been prettifying you can have been prettifying they can have been prettifying

Negation

Simple form	V-ing form
I can't prettify you can't prettify he can't prettify we can't prettify you can't prettify they can't prettify	I can't be prettifying you can't be prettifying he can't be prettifying we can't be prettifying you can't be prettifying they can't be prettifying
Perfect	V-ing perfect
I can't have prettified you can't have prettified he can't have prettified we can't have prettified you can't have prettified they can't have prettified	I can't have been prettifying you can't have been prettifying he can't have been prettifying we can't have been prettifying you can't have been prettifying they can't have been prettifying

Interrogative form

Simple form	V-ing form
can I prettify? can you prettify? can he prettify? can we prettify? can you prettify? can they prettify?	can I be prettifying? can you be prettifying? can he be prettifying? can we be prettifying? can you be prettifying? can they be prettifying?
Perfect	V-ing perfect
can I have prettified? can you have prettified? can he have prettified? can we have prettified? can you have prettified? can they have prettified?	can I have been prettifying? can you have been prettifying? can he have been prettifying? can we have been prettifying? can you have been prettifying? can they have been prettifying?

Interro-negative form

Simple form	V-ing form
can't I prettify? can't you prettify? can't he prettify? can't we prettify? can't you prettify? can't they prettify?	can't I be prettifying? can't you be prettifying? can't he be prettifying? can't we be prettifying? can't you be prettifying? can't they be prettifying?
Perfect	V-ing perfect
can't I have prettified? can't you have prettified? can't he have prettified? can't we have prettified? can't you have prettified? can't they have prettified?	can't I have been prettifying? can't you have been prettifying? can't he have been prettifying? can't we have been prettifying? can't you have been prettifying? can't they have been prettifying?