English verb conjugation
CAN CONSTERNATE

Regular verb: consternate - consternated - consternated

Affirmation

Simple form	V-ing form
I can consternate you can consternate he can consternate we can consternate you can consternate they can consternate	I can be consternating you can be consternating he can be consternating we can be consternating you can be consternating they can be consternating
Perfect	V-ing perfect
I can have consternated you can have consternated he can have consternated we can have consternated you can have consternated they can have consternated	I can have been consternating you can have been consternating he can have been consternating we can have been consternating you can have been consternating they can have been consternating

Negation

Simple form	V-ing form
I can't consternate you can't consternate he can't consternate we can't consternate you can't consternate they can't consternate	I can't be consternating you can't be consternating he can't be consternating we can't be consternating you can't be consternating they can't be consternating
Perfect	V-ing perfect
I can't have consternated you can't have consternated he can't have consternated we can't have consternated you can't have consternated they can't have consternated	I can't have been consternating you can't have been consternating he can't have been consternating we can't have been consternating you can't have been consternating they can't have been consternating

Interrogative form

Simple form	V-ing form
can I consternate? can you consternate? can he consternate? can we consternate? can you consternate? can they consternate?	can I be consternating? can you be consternating? can he be consternating? can we be consternating? can you be consternating? can they be consternating?
Perfect	V-ing perfect
can I have consternated? can you have consternated? can he have consternated? can we have consternated? can you have consternated? can they have consternated?	can I have been consternating? can you have been consternating? can he have been consternating? can we have been consternating? can you have been consternating? can they have been consternating?

Interro-negative form

Simple form	V-ing form
can't I consternate? can't you consternate? can't he consternate? can't we consternate? can't you consternate? can't they consternate?	can't I be consternating? can't you be consternating? can't he be consternating? can't we be consternating? can't you be consternating? can't they be consternating?
Perfect	V-ing perfect
can't I have consternated? can't you have consternated? can't he have consternated? can't we have consternated? can't you have consternated? can't they have consternated?	can't I have been consternating? can't you have been consternating? can't he have been consternating? can't we have been consternating? can't you have been consternating? can't they have been consternating?