English verb conjugation
CAN CRUST

Regular verb: crust - crusted - crusted

Affirmation

Simple form	V-ing form
I can crust you can crust she can crust we can crust you can crust they can crust	I can be crusting you can be crusting she can be crusting we can be crusting you can be crusting they can be crusting
Perfect	V-ing perfect
I can have crusted you can have crusted she can have crusted we can have crusted you can have crusted they can have crusted	I can have been crusting you can have been crusting she can have been crusting we can have been crusting you can have been crusting they can have been crusting

Negation

Simple form	V-ing form
I can't crust you can't crust she can't crust we can't crust you can't crust they can't crust	I can't be crusting you can't be crusting she can't be crusting we can't be crusting you can't be crusting they can't be crusting
Perfect	V-ing perfect
I can't have crusted you can't have crusted she can't have crusted we can't have crusted you can't have crusted they can't have crusted	I can't have been crusting you can't have been crusting she can't have been crusting we can't have been crusting you can't have been crusting they can't have been crusting

Interrogative form

Simple form	V-ing form
can I crust? can you crust? can she crust? can we crust? can you crust? can they crust?	can I be crusting? can you be crusting? can she be crusting? can we be crusting? can you be crusting? can they be crusting?
Perfect	V-ing perfect
can I have crusted? can you have crusted? can she have crusted? can we have crusted? can you have crusted? can they have crusted?	can I have been crusting? can you have been crusting? can she have been crusting? can we have been crusting? can you have been crusting? can they have been crusting?

Interro-negative form

Simple form	V-ing form
can't I crust? can't you crust? can't she crust? can't we crust? can't you crust? can't they crust?	can't I be crusting? can't you be crusting? can't she be crusting? can't we be crusting? can't you be crusting? can't they be crusting?
Perfect	V-ing perfect
can't I have crusted? can't you have crusted? can't she have crusted? can't we have crusted? can't you have crusted? can't they have crusted?	can't I have been crusting? can't you have been crusting? can't she have been crusting? can't we have been crusting? can't you have been crusting? can't they have been crusting?