can ad-lib
Verbo regular: ad-lib - ad-libed- ad-libed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can ad-lib
you can ad-lib
she can ad-lib
we can ad-lib
you can ad-lib
they can ad-lib 	I can be ad-libing
you can be ad-libing
she can be ad-libing
we can be ad-libing
you can be ad-libing
they can be ad-libing	I can have ad-libed
you can have ad-libed
she can have ad-libed
we can have ad-libed
you can have ad-libed
they can have ad-libed	I can have been ad-libing
you can have been ad-libing
she can have been ad-libing
we can have been ad-libing
you can have been ad-libing
they can have been ad-libing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot ad-lib
you cannot ad-lib
she cannot ad-lib
we cannot ad-lib
you cannot ad-lib
they cannot ad-lib 	I cannot be ad-libing
you cannot be ad-libing
she cannot be ad-libing
we cannot be ad-libing
you cannot be ad-libing
they cannot be ad-libing	I cannot have ad-libed
you cannot have ad-libed
she cannot have ad-libed
we cannot have ad-libed
you cannot have ad-libed
they cannot have ad-libed	I cannot have been ad-libing
you cannot have been ad-libing
she cannot have been ad-libing
we cannot have been ad-libing
you cannot have been ad-libing
they cannot have been ad-libing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I ad-lib?
can you ad-lib?
can she ad-lib?
can we ad-lib?
can you ad-lib?
can they ad-lib? 	can I be ad-libing?
can you be ad-libing?
can she be ad-libing?
can we be ad-libing?
can you be ad-libing?
can they be ad-libing? 	can I have ad-libed?
can you have ad-libed?
can she have ad-libed?
can we have ad-libed?
can you have ad-libed?
can they have ad-libed? 	can I have been ad-libing?
can you have been ad-libing?
can she have been ad-libing?
can we have been ad-libing?
can you have been ad-libing?
can they have been ad-libing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not ad-lib?
can you not ad-lib?
can she not ad-lib?
can we not ad-lib?
can you not ad-lib?
can they not ad-lib? 	can I not be ad-libing?
can you not be ad-libing?
can she not be ad-libing?
can we not be ad-libing?
can you not be ad-libing?
can they not be ad-libing? 	can I not have ad-libed?
can you not have ad-libed?
can she not have ad-libed?
can we not have ad-libed?
can you not have ad-libed?
can they not have ad-libed? 	can I not have been ad-libing?
can you not have been ad-libing?
can she not have been ad-libing?
can we not have been ad-libing?
can you not have been ad-libing?
can they not have been ad-libing?