can acknowledge
Verbo regular: acknowledge - acknowledged- acknowledged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can acknowledge
you can acknowledge
he can acknowledge
we can acknowledge
you can acknowledge
they can acknowledge 	I can be acknowledging
you can be acknowledging
he can be acknowledging
we can be acknowledging
you can be acknowledging
they can be acknowledging	I can have acknowledged
you can have acknowledged
he can have acknowledged
we can have acknowledged
you can have acknowledged
they can have acknowledged	I can have been acknowledging
you can have been acknowledging
he can have been acknowledging
we can have been acknowledging
you can have been acknowledging
they can have been acknowledging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't acknowledge
you can't acknowledge
he can't acknowledge
we can't acknowledge
you can't acknowledge
they can't acknowledge 	I can't be acknowledging
you can't be acknowledging
he can't be acknowledging
we can't be acknowledging
you can't be acknowledging
they can't be acknowledging	I can't have acknowledged
you can't have acknowledged
he can't have acknowledged
we can't have acknowledged
you can't have acknowledged
they can't have acknowledged	I can't have been acknowledging
you can't have been acknowledging
he can't have been acknowledging
we can't have been acknowledging
you can't have been acknowledging
they can't have been acknowledging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I acknowledge?
can you acknowledge?
can he acknowledge?
can we acknowledge?
can you acknowledge?
can they acknowledge? 	can I be acknowledging?
can you be acknowledging?
can he be acknowledging?
can we be acknowledging?
can you be acknowledging?
can they be acknowledging? 	can I have acknowledged?
can you have acknowledged?
can he have acknowledged?
can we have acknowledged?
can you have acknowledged?
can they have acknowledged? 	can I have been acknowledging?
can you have been acknowledging?
can he have been acknowledging?
can we have been acknowledging?
can you have been acknowledging?
can they have been acknowledging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I acknowledge?
can't you acknowledge?
can't he acknowledge?
can't we acknowledge?
can't you acknowledge?
can't they acknowledge? 	can't I be acknowledging?
can't you be acknowledging?
can't he be acknowledging?
can't we be acknowledging?
can't you be acknowledging?
can't they be acknowledging? 	can't I have acknowledged?
can't you have acknowledged?
can't he have acknowledged?
can't we have acknowledged?
can't you have acknowledged?
can't they have acknowledged? 	can't I have been acknowledging?
can't you have been acknowledging?
can't he have been acknowledging?
can't we have been acknowledging?
can't you have been acknowledging?
can't they have been acknowledging?