can invoice
Verbo regular: invoice - invoiced- invoiced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can invoice
you can invoice
he can invoice
we can invoice
you can invoice
they can invoice 	I can be invoicing
you can be invoicing
he can be invoicing
we can be invoicing
you can be invoicing
they can be invoicing	I can have invoiced
you can have invoiced
he can have invoiced
we can have invoiced
you can have invoiced
they can have invoiced	I can have been invoicing
you can have been invoicing
he can have been invoicing
we can have been invoicing
you can have been invoicing
they can have been invoicing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't invoice
you can't invoice
he can't invoice
we can't invoice
you can't invoice
they can't invoice 	I can't be invoicing
you can't be invoicing
he can't be invoicing
we can't be invoicing
you can't be invoicing
they can't be invoicing	I can't have invoiced
you can't have invoiced
he can't have invoiced
we can't have invoiced
you can't have invoiced
they can't have invoiced	I can't have been invoicing
you can't have been invoicing
he can't have been invoicing
we can't have been invoicing
you can't have been invoicing
they can't have been invoicing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I invoice?
can you invoice?
can he invoice?
can we invoice?
can you invoice?
can they invoice? 	can I be invoicing?
can you be invoicing?
can he be invoicing?
can we be invoicing?
can you be invoicing?
can they be invoicing? 	can I have invoiced?
can you have invoiced?
can he have invoiced?
can we have invoiced?
can you have invoiced?
can they have invoiced? 	can I have been invoicing?
can you have been invoicing?
can he have been invoicing?
can we have been invoicing?
can you have been invoicing?
can they have been invoicing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I invoice?
can't you invoice?
can't he invoice?
can't we invoice?
can't you invoice?
can't they invoice? 	can't I be invoicing?
can't you be invoicing?
can't he be invoicing?
can't we be invoicing?
can't you be invoicing?
can't they be invoicing? 	can't I have invoiced?
can't you have invoiced?
can't he have invoiced?
can't we have invoiced?
can't you have invoiced?
can't they have invoiced? 	can't I have been invoicing?
can't you have been invoicing?
can't he have been invoicing?
can't we have been invoicing?
can't you have been invoicing?
can't they have been invoicing?