can compound
Regular verb: compound - compounded- compounded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can compound
you can compound
she can compound
we can compound
you can compound
they can compound 	I can be compounding
you can be compounding
she can be compounding
we can be compounding
you can be compounding
they can be compounding	I can have compounded
you can have compounded
she can have compounded
we can have compounded
you can have compounded
they can have compounded	I can have been compounding
you can have been compounding
she can have been compounding
we can have been compounding
you can have been compounding
they can have been compounding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't compound
you can't compound
she can't compound
we can't compound
you can't compound
they can't compound 	I can't be compounding
you can't be compounding
she can't be compounding
we can't be compounding
you can't be compounding
they can't be compounding	I can't have compounded
you can't have compounded
she can't have compounded
we can't have compounded
you can't have compounded
they can't have compounded	I can't have been compounding
you can't have been compounding
she can't have been compounding
we can't have been compounding
you can't have been compounding
they can't have been compounding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I compound?
can you compound?
can she compound?
can we compound?
can you compound?
can they compound? 	can I be compounding?
can you be compounding?
can she be compounding?
can we be compounding?
can you be compounding?
can they be compounding? 	can I have compounded?
can you have compounded?
can she have compounded?
can we have compounded?
can you have compounded?
can they have compounded? 	can I have been compounding?
can you have been compounding?
can she have been compounding?
can we have been compounding?
can you have been compounding?
can they have been compounding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I compound?
can't you compound?
can't she compound?
can't we compound?
can't you compound?
can't they compound? 	can't I be compounding?
can't you be compounding?
can't she be compounding?
can't we be compounding?
can't you be compounding?
can't they be compounding? 	can't I have compounded?
can't you have compounded?
can't she have compounded?
can't we have compounded?
can't you have compounded?
can't they have compounded? 	can't I have been compounding?
can't you have been compounding?
can't she have been compounding?
can't we have been compounding?
can't you have been compounding?
can't they have been compounding?