can wonder
Regular verb: wonder - wondered- wondered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can wonder
you can wonder
she can wonder
we can wonder
you can wonder
they can wonder 	I can be wondering
you can be wondering
she can be wondering
we can be wondering
you can be wondering
they can be wondering	I can have wondered
you can have wondered
she can have wondered
we can have wondered
you can have wondered
they can have wondered	I can have been wondering
you can have been wondering
she can have been wondering
we can have been wondering
you can have been wondering
they can have been wondering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot wonder
you cannot wonder
she cannot wonder
we cannot wonder
you cannot wonder
they cannot wonder 	I cannot be wondering
you cannot be wondering
she cannot be wondering
we cannot be wondering
you cannot be wondering
they cannot be wondering	I cannot have wondered
you cannot have wondered
she cannot have wondered
we cannot have wondered
you cannot have wondered
they cannot have wondered	I cannot have been wondering
you cannot have been wondering
she cannot have been wondering
we cannot have been wondering
you cannot have been wondering
they cannot have been wondering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I wonder?
can you wonder?
can she wonder?
can we wonder?
can you wonder?
can they wonder? 	can I be wondering?
can you be wondering?
can she be wondering?
can we be wondering?
can you be wondering?
can they be wondering? 	can I have wondered?
can you have wondered?
can she have wondered?
can we have wondered?
can you have wondered?
can they have wondered? 	can I have been wondering?
can you have been wondering?
can she have been wondering?
can we have been wondering?
can you have been wondering?
can they have been wondering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not wonder?
can you not wonder?
can she not wonder?
can we not wonder?
can you not wonder?
can they not wonder? 	can I not be wondering?
can you not be wondering?
can she not be wondering?
can we not be wondering?
can you not be wondering?
can they not be wondering? 	can I not have wondered?
can you not have wondered?
can she not have wondered?
can we not have wondered?
can you not have wondered?
can they not have wondered? 	can I not have been wondering?
can you not have been wondering?
can she not have been wondering?
can we not have been wondering?
can you not have been wondering?
can they not have been wondering?