could boot
Verbo regular: boot - booted- booted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could boot
you could boot
she could boot
we could boot
you could boot
they could boot 	I could be booting
you could be booting
she could be booting
we could be booting
you could be booting
they could be booting	I could have booted
you could have booted
she could have booted
we could have booted
you could have booted
they could have booted	I could have been booting
you could have been booting
she could have been booting
we could have been booting
you could have been booting
they could have been booting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not boot
you could not boot
she could not boot
we could not boot
you could not boot
they could not boot 	I could not be booting
you could not be booting
she could not be booting
we could not be booting
you could not be booting
they could not be booting	I could not have booted
you could not have booted
she could not have booted
we could not have booted
you could not have booted
they could not have booted	I could not have been booting
you could not have been booting
she could not have been booting
we could not have been booting
you could not have been booting
they could not have been booting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I boot?
could you boot?
could she boot?
could we boot?
could you boot?
could they boot? 	could I be booting?
could you be booting?
could she be booting?
could we be booting?
could you be booting?
could they be booting? 	could I have booted?
could you have booted?
could she have booted?
could we have booted?
could you have booted?
could they have booted? 	could I have been booting?
could you have been booting?
could she have been booting?
could we have been booting?
could you have been booting?
could they have been booting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not boot?
could you not boot?
could she not boot?
could we not boot?
could you not boot?
could they not boot? 	could I not be booting?
could you not be booting?
could she not be booting?
could we not be booting?
could you not be booting?
could they not be booting? 	could I not have booted?
could you not have booted?
could she not have booted?
could we not have booted?
could you not have booted?
could they not have booted? 	could I not have been booting?
could you not have been booting?
could she not have been booting?
could we not have been booting?
could you not have been booting?
could they not have been booting?