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
he 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
he 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
he 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
he 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 can't pre-empt
you can't pre-empt
he can't pre-empt
we can't pre-empt
you can't pre-empt
they can't pre-empt 	I can't be pre-empting
you can't be pre-empting
he can't be pre-empting
we can't be pre-empting
you can't be pre-empting
they can't be pre-empting	I can't have pre-empted
you can't have pre-empted
he can't have pre-empted
we can't have pre-empted
you can't have pre-empted
they can't have pre-empted	I can't have been pre-empting
you can't have been pre-empting
he can't have been pre-empting
we can't have been pre-empting
you can't have been pre-empting
they can't 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 he 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 he 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 he 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 he 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't I pre-empt?
can't you pre-empt?
can't he pre-empt?
can't we pre-empt?
can't you pre-empt?
can't they pre-empt? 	can't I be pre-empting?
can't you be pre-empting?
can't he be pre-empting?
can't we be pre-empting?
can't you be pre-empting?
can't they be pre-empting? 	can't I have pre-empted?
can't you have pre-empted?
can't he have pre-empted?
can't we have pre-empted?
can't you have pre-empted?
can't they have pre-empted? 	can't I have been pre-empting?
can't you have been pre-empting?
can't he have been pre-empting?
can't we have been pre-empting?
can't you have been pre-empting?
can't they have been pre-empting?