English verb conjugation
CAN CONSTERNATE

Regular verb: consternate - consternated - consternated

Affirmation

Simple form	V-ing form
I can consternate you can consternate she can consternate we can consternate you can consternate they can consternate	I can be consternating you can be consternating she 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 she 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 she 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 she 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 she 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 she 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 she 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 she consternate? can we consternate? can you consternate? can they consternate?	can I be consternating? can you be consternating? can she 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 she 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 she 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 she 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 she 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 she 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 she have been consternating? can't we have been consternating? can't you have been consternating? can't they have been consternating?