can clam
Regular verb: clam - clamed- clamed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can clam
you can clam
she can clam
we can clam
you can clam
they can clam 	I can be claming
you can be claming
she can be claming
we can be claming
you can be claming
they can be claming	I can have clamed
you can have clamed
she can have clamed
we can have clamed
you can have clamed
they can have clamed	I can have been claming
you can have been claming
she can have been claming
we can have been claming
you can have been claming
they can have been claming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot clam
you cannot clam
she cannot clam
we cannot clam
you cannot clam
they cannot clam 	I cannot be claming
you cannot be claming
she cannot be claming
we cannot be claming
you cannot be claming
they cannot be claming	I cannot have clamed
you cannot have clamed
she cannot have clamed
we cannot have clamed
you cannot have clamed
they cannot have clamed	I cannot have been claming
you cannot have been claming
she cannot have been claming
we cannot have been claming
you cannot have been claming
they cannot have been claming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I clam?
can you clam?
can she clam?
can we clam?
can you clam?
can they clam? 	can I be claming?
can you be claming?
can she be claming?
can we be claming?
can you be claming?
can they be claming? 	can I have clamed?
can you have clamed?
can she have clamed?
can we have clamed?
can you have clamed?
can they have clamed? 	can I have been claming?
can you have been claming?
can she have been claming?
can we have been claming?
can you have been claming?
can they have been claming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not clam?
can you not clam?
can she not clam?
can we not clam?
can you not clam?
can they not clam? 	can I not be claming?
can you not be claming?
can she not be claming?
can we not be claming?
can you not be claming?
can they not be claming? 	can I not have clamed?
can you not have clamed?
can she not have clamed?
can we not have clamed?
can you not have clamed?
can they not have clamed? 	can I not have been claming?
can you not have been claming?
can she not have been claming?
can we not have been claming?
can you not have been claming?
can they not have been claming?