English verb conjugation
CAN GREET

Regular verb: greet - greeted - greeted

Affirmation

Simple form	V-ing form
I can greet you can greet she can greet we can greet you can greet they can greet	I can be greeting you can be greeting she can be greeting we can be greeting you can be greeting they can be greeting
Perfect	V-ing perfect
I can have greeted you can have greeted she can have greeted we can have greeted you can have greeted they can have greeted	I can have been greeting you can have been greeting she can have been greeting we can have been greeting you can have been greeting they can have been greeting

Negation

Simple form	V-ing form
I can't greet you can't greet she can't greet we can't greet you can't greet they can't greet	I can't be greeting you can't be greeting she can't be greeting we can't be greeting you can't be greeting they can't be greeting
Perfect	V-ing perfect
I can't have greeted you can't have greeted she can't have greeted we can't have greeted you can't have greeted they can't have greeted	I can't have been greeting you can't have been greeting she can't have been greeting we can't have been greeting you can't have been greeting they can't have been greeting

Interrogative form

Simple form	V-ing form
can I greet? can you greet? can she greet? can we greet? can you greet? can they greet?	can I be greeting? can you be greeting? can she be greeting? can we be greeting? can you be greeting? can they be greeting?
Perfect	V-ing perfect
can I have greeted? can you have greeted? can she have greeted? can we have greeted? can you have greeted? can they have greeted?	can I have been greeting? can you have been greeting? can she have been greeting? can we have been greeting? can you have been greeting? can they have been greeting?

Interro-negative form

Simple form	V-ing form
can't I greet? can't you greet? can't she greet? can't we greet? can't you greet? can't they greet?	can't I be greeting? can't you be greeting? can't she be greeting? can't we be greeting? can't you be greeting? can't they be greeting?
Perfect	V-ing perfect
can't I have greeted? can't you have greeted? can't she have greeted? can't we have greeted? can't you have greeted? can't they have greeted?	can't I have been greeting? can't you have been greeting? can't she have been greeting? can't we have been greeting? can't you have been greeting? can't they have been greeting?