can scheme
Regular verb: scheme - schemed- schemed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can scheme
you can scheme
he can scheme
we can scheme
you can scheme
they can scheme 	I can be scheming
you can be scheming
he can be scheming
we can be scheming
you can be scheming
they can be scheming	I can have schemed
you can have schemed
he 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
he 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 can't scheme
you can't scheme
he can't scheme
we can't scheme
you can't scheme
they can't scheme 	I can't be scheming
you can't be scheming
he can't be scheming
we can't be scheming
you can't be scheming
they can't be scheming	I can't have schemed
you can't have schemed
he can't have schemed
we can't have schemed
you can't have schemed
they can't have schemed	I can't have been scheming
you can't have been scheming
he can't have been scheming
we can't have been scheming
you can't have been scheming
they can't have been scheming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I scheme?
can you scheme?
can he scheme?
can we scheme?
can you scheme?
can they scheme? 	can I be scheming?
can you be scheming?
can he be scheming?
can we be scheming?
can you be scheming?
can they be scheming? 	can I have schemed?
can you have schemed?
can he 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 he 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't I scheme?
can't you scheme?
can't he scheme?
can't we scheme?
can't you scheme?
can't they scheme? 	can't I be scheming?
can't you be scheming?
can't he be scheming?
can't we be scheming?
can't you be scheming?
can't they be scheming? 	can't I have schemed?
can't you have schemed?
can't he have schemed?
can't we have schemed?
can't you have schemed?
can't they have schemed? 	can't I have been scheming?
can't you have been scheming?
can't he have been scheming?
can't we have been scheming?
can't you have been scheming?
can't they have been scheming?