English verb conjugation
CAN GASIFY

Regular verb: gasify - gasified - gasified

Affirmation

Simple form	V-ing form
I can gasify you can gasify he can gasify we can gasify you can gasify they can gasify	I can be gasifying you can be gasifying he can be gasifying we can be gasifying you can be gasifying they can be gasifying
Perfect	V-ing perfect
I can have gasified you can have gasified he can have gasified we can have gasified you can have gasified they can have gasified	I can have been gasifying you can have been gasifying he can have been gasifying we can have been gasifying you can have been gasifying they can have been gasifying

Negation

Simple form	V-ing form
I can't gasify you can't gasify he can't gasify we can't gasify you can't gasify they can't gasify	I can't be gasifying you can't be gasifying he can't be gasifying we can't be gasifying you can't be gasifying they can't be gasifying
Perfect	V-ing perfect
I can't have gasified you can't have gasified he can't have gasified we can't have gasified you can't have gasified they can't have gasified	I can't have been gasifying you can't have been gasifying he can't have been gasifying we can't have been gasifying you can't have been gasifying they can't have been gasifying

Interrogative form

Simple form	V-ing form
can I gasify? can you gasify? can he gasify? can we gasify? can you gasify? can they gasify?	can I be gasifying? can you be gasifying? can he be gasifying? can we be gasifying? can you be gasifying? can they be gasifying?
Perfect	V-ing perfect
can I have gasified? can you have gasified? can he have gasified? can we have gasified? can you have gasified? can they have gasified?	can I have been gasifying? can you have been gasifying? can he have been gasifying? can we have been gasifying? can you have been gasifying? can they have been gasifying?

Interro-negative form

Simple form	V-ing form
can't I gasify? can't you gasify? can't he gasify? can't we gasify? can't you gasify? can't they gasify?	can't I be gasifying? can't you be gasifying? can't he be gasifying? can't we be gasifying? can't you be gasifying? can't they be gasifying?
Perfect	V-ing perfect
can't I have gasified? can't you have gasified? can't he have gasified? can't we have gasified? can't you have gasified? can't they have gasified?	can't I have been gasifying? can't you have been gasifying? can't he have been gasifying? can't we have been gasifying? can't you have been gasifying? can't they have been gasifying?