English verb conjugation
CAN REACT

Regular verb: react - reacted - reacted

Affirmation

Simple form	V-ing form
I can react you can react he can react we can react you can react they can react	I can be reacting you can be reacting he can be reacting we can be reacting you can be reacting they can be reacting
Perfect	V-ing perfect
I can have reacted you can have reacted he can have reacted we can have reacted you can have reacted they can have reacted	I can have been reacting you can have been reacting he can have been reacting we can have been reacting you can have been reacting they can have been reacting

Negation

Simple form	V-ing form
I can't react you can't react he can't react we can't react you can't react they can't react	I can't be reacting you can't be reacting he can't be reacting we can't be reacting you can't be reacting they can't be reacting
Perfect	V-ing perfect
I can't have reacted you can't have reacted he can't have reacted we can't have reacted you can't have reacted they can't have reacted	I can't have been reacting you can't have been reacting he can't have been reacting we can't have been reacting you can't have been reacting they can't have been reacting

Interrogative form

Simple form	V-ing form
can I react? can you react? can he react? can we react? can you react? can they react?	can I be reacting? can you be reacting? can he be reacting? can we be reacting? can you be reacting? can they be reacting?
Perfect	V-ing perfect
can I have reacted? can you have reacted? can he have reacted? can we have reacted? can you have reacted? can they have reacted?	can I have been reacting? can you have been reacting? can he have been reacting? can we have been reacting? can you have been reacting? can they have been reacting?

Interro-negative form

Simple form	V-ing form
can't I react? can't you react? can't he react? can't we react? can't you react? can't they react?	can't I be reacting? can't you be reacting? can't he be reacting? can't we be reacting? can't you be reacting? can't they be reacting?
Perfect	V-ing perfect
can't I have reacted? can't you have reacted? can't he have reacted? can't we have reacted? can't you have reacted? can't they have reacted?	can't I have been reacting? can't you have been reacting? can't he have been reacting? can't we have been reacting? can't you have been reacting? can't they have been reacting?