can pre-empt
Verbo regular: pre-empt - pre-empted- pre-empted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can pre-empt
you can pre-empt
she can pre-empt
we can pre-empt
you can pre-empt
they can pre-empt 	I can be pre-empting
you can be pre-empting
she can be pre-empting
we can be pre-empting
you can be pre-empting
they can be pre-empting	I can have pre-empted
you can have pre-empted
she can have pre-empted
we can have pre-empted
you can have pre-empted
they can have pre-empted	I can have been pre-empting
you can have been pre-empting
she can have been pre-empting
we can have been pre-empting
you can have been pre-empting
they can have been pre-empting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot pre-empt
you cannot pre-empt
she cannot pre-empt
we cannot pre-empt
you cannot pre-empt
they cannot pre-empt 	I cannot be pre-empting
you cannot be pre-empting
she cannot be pre-empting
we cannot be pre-empting
you cannot be pre-empting
they cannot be pre-empting	I cannot have pre-empted
you cannot have pre-empted
she cannot have pre-empted
we cannot have pre-empted
you cannot have pre-empted
they cannot have pre-empted	I cannot have been pre-empting
you cannot have been pre-empting
she cannot have been pre-empting
we cannot have been pre-empting
you cannot have been pre-empting
they cannot have been pre-empting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I pre-empt?
can you pre-empt?
can she pre-empt?
can we pre-empt?
can you pre-empt?
can they pre-empt? 	can I be pre-empting?
can you be pre-empting?
can she be pre-empting?
can we be pre-empting?
can you be pre-empting?
can they be pre-empting? 	can I have pre-empted?
can you have pre-empted?
can she have pre-empted?
can we have pre-empted?
can you have pre-empted?
can they have pre-empted? 	can I have been pre-empting?
can you have been pre-empting?
can she have been pre-empting?
can we have been pre-empting?
can you have been pre-empting?
can they have been pre-empting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not pre-empt?
can you not pre-empt?
can she not pre-empt?
can we not pre-empt?
can you not pre-empt?
can they not pre-empt? 	can I not be pre-empting?
can you not be pre-empting?
can she not be pre-empting?
can we not be pre-empting?
can you not be pre-empting?
can they not be pre-empting? 	can I not have pre-empted?
can you not have pre-empted?
can she not have pre-empted?
can we not have pre-empted?
can you not have pre-empted?
can they not have pre-empted? 	can I not have been pre-empting?
can you not have been pre-empting?
can she not have been pre-empting?
can we not have been pre-empting?
can you not have been pre-empting?
can they not have been pre-empting?