can scheme
Regular verb: scheme - schemed- schemed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can scheme
you can scheme
she can scheme
we can scheme
you can scheme
they can scheme 	I can be scheming
you can be scheming
she can be scheming
we can be scheming
you can be scheming
they can be scheming	I can have schemed
you can have schemed
she can have schemed
we can have schemed
you can have schemed
they can have schemed	I can have been scheming
you can have been scheming
she can have been scheming
we can have been scheming
you can have been scheming
they can have been scheming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot scheme
you cannot scheme
she cannot scheme
we cannot scheme
you cannot scheme
they cannot scheme 	I cannot be scheming
you cannot be scheming
she cannot be scheming
we cannot be scheming
you cannot be scheming
they cannot be scheming	I cannot have schemed
you cannot have schemed
she cannot have schemed
we cannot have schemed
you cannot have schemed
they cannot have schemed	I cannot have been scheming
you cannot have been scheming
she cannot have been scheming
we cannot have been scheming
you cannot have been scheming
they cannot have been scheming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I scheme?
can you scheme?
can she scheme?
can we scheme?
can you scheme?
can they scheme? 	can I be scheming?
can you be scheming?
can she be scheming?
can we be scheming?
can you be scheming?
can they be scheming? 	can I have schemed?
can you have schemed?
can she have schemed?
can we have schemed?
can you have schemed?
can they have schemed? 	can I have been scheming?
can you have been scheming?
can she have been scheming?
can we have been scheming?
can you have been scheming?
can they have been scheming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not scheme?
can you not scheme?
can she not scheme?
can we not scheme?
can you not scheme?
can they not scheme? 	can I not be scheming?
can you not be scheming?
can she not be scheming?
can we not be scheming?
can you not be scheming?
can they not be scheming? 	can I not have schemed?
can you not have schemed?
can she not have schemed?
can we not have schemed?
can you not have schemed?
can they not have schemed? 	can I not have been scheming?
can you not have been scheming?
can she not have been scheming?
can we not have been scheming?
can you not have been scheming?
can they not have been scheming?