can deduct
Regular verb: deduct - deducted- deducted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can deduct
you can deduct
she can deduct
we can deduct
you can deduct
they can deduct 	I can be deducting
you can be deducting
she can be deducting
we can be deducting
you can be deducting
they can be deducting	I can have deducted
you can have deducted
she can have deducted
we can have deducted
you can have deducted
they can have deducted	I can have been deducting
you can have been deducting
she can have been deducting
we can have been deducting
you can have been deducting
they can have been deducting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot deduct
you cannot deduct
she cannot deduct
we cannot deduct
you cannot deduct
they cannot deduct 	I cannot be deducting
you cannot be deducting
she cannot be deducting
we cannot be deducting
you cannot be deducting
they cannot be deducting	I cannot have deducted
you cannot have deducted
she cannot have deducted
we cannot have deducted
you cannot have deducted
they cannot have deducted	I cannot have been deducting
you cannot have been deducting
she cannot have been deducting
we cannot have been deducting
you cannot have been deducting
they cannot have been deducting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I deduct?
can you deduct?
can she deduct?
can we deduct?
can you deduct?
can they deduct? 	can I be deducting?
can you be deducting?
can she be deducting?
can we be deducting?
can you be deducting?
can they be deducting? 	can I have deducted?
can you have deducted?
can she have deducted?
can we have deducted?
can you have deducted?
can they have deducted? 	can I have been deducting?
can you have been deducting?
can she have been deducting?
can we have been deducting?
can you have been deducting?
can they have been deducting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not deduct?
can you not deduct?
can she not deduct?
can we not deduct?
can you not deduct?
can they not deduct? 	can I not be deducting?
can you not be deducting?
can she not be deducting?
can we not be deducting?
can you not be deducting?
can they not be deducting? 	can I not have deducted?
can you not have deducted?
can she not have deducted?
can we not have deducted?
can you not have deducted?
can they not have deducted? 	can I not have been deducting?
can you not have been deducting?
can she not have been deducting?
can we not have been deducting?
can you not have been deducting?
can they not have been deducting?