can surtax
Verbe régulier : surtax - surtaxed- surtaxed

Affirmation 	
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I can surtax
you can surtax
he can surtax
we can surtax
you can surtax
they can surtax 	I can be surtaxing
you can be surtaxing
he can be surtaxing
we can be surtaxing
you can be surtaxing
they can be surtaxing	I can have surtaxed
you can have surtaxed
he can have surtaxed
we can have surtaxed
you can have surtaxed
they can have surtaxed	I can have been surtaxing
you can have been surtaxing
he can have been surtaxing
we can have been surtaxing
you can have been surtaxing
they can have been surtaxing	

Négation 	
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I cannot surtax
you cannot surtax
he cannot surtax
we cannot surtax
you cannot surtax
they cannot surtax 	I cannot be surtaxing
you cannot be surtaxing
he cannot be surtaxing
we cannot be surtaxing
you cannot be surtaxing
they cannot be surtaxing	I cannot have surtaxed
you cannot have surtaxed
he cannot have surtaxed
we cannot have surtaxed
you cannot have surtaxed
they cannot have surtaxed	I cannot have been surtaxing
you cannot have been surtaxing
he cannot have been surtaxing
we cannot have been surtaxing
you cannot have been surtaxing
they cannot have been surtaxing	

Forme interrogative 	
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can I surtax?
can you surtax?
can he surtax?
can we surtax?
can you surtax?
can they surtax? 	can I be surtaxing?
can you be surtaxing?
can he be surtaxing?
can we be surtaxing?
can you be surtaxing?
can they be surtaxing? 	can I have surtaxed?
can you have surtaxed?
can he have surtaxed?
can we have surtaxed?
can you have surtaxed?
can they have surtaxed? 	can I have been surtaxing?
can you have been surtaxing?
can he have been surtaxing?
can we have been surtaxing?
can you have been surtaxing?
can they have been surtaxing? 	

Forme interro-négative 	
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can I not surtax?
can you not surtax?
can he not surtax?
can we not surtax?
can you not surtax?
can they not surtax? 	can I not be surtaxing?
can you not be surtaxing?
can he not be surtaxing?
can we not be surtaxing?
can you not be surtaxing?
can they not be surtaxing? 	can I not have surtaxed?
can you not have surtaxed?
can he not have surtaxed?
can we not have surtaxed?
can you not have surtaxed?
can they not have surtaxed? 	can I not have been surtaxing?
can you not have been surtaxing?
can he not have been surtaxing?
can we not have been surtaxing?
can you not have been surtaxing?
can they not have been surtaxing?