can tiller
Verbo regular: tiller - tillered- tillered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can tiller
you can tiller
he can tiller
we can tiller
you can tiller
they can tiller 	I can be tillering
you can be tillering
he can be tillering
we can be tillering
you can be tillering
they can be tillering	I can have tillered
you can have tillered
he can have tillered
we can have tillered
you can have tillered
they can have tillered	I can have been tillering
you can have been tillering
he can have been tillering
we can have been tillering
you can have been tillering
they can have been tillering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot tiller
you cannot tiller
he cannot tiller
we cannot tiller
you cannot tiller
they cannot tiller 	I cannot be tillering
you cannot be tillering
he cannot be tillering
we cannot be tillering
you cannot be tillering
they cannot be tillering	I cannot have tillered
you cannot have tillered
he cannot have tillered
we cannot have tillered
you cannot have tillered
they cannot have tillered	I cannot have been tillering
you cannot have been tillering
he cannot have been tillering
we cannot have been tillering
you cannot have been tillering
they cannot have been tillering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I tiller?
can you tiller?
can he tiller?
can we tiller?
can you tiller?
can they tiller? 	can I be tillering?
can you be tillering?
can he be tillering?
can we be tillering?
can you be tillering?
can they be tillering? 	can I have tillered?
can you have tillered?
can he have tillered?
can we have tillered?
can you have tillered?
can they have tillered? 	can I have been tillering?
can you have been tillering?
can he have been tillering?
can we have been tillering?
can you have been tillering?
can they have been tillering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not tiller?
can you not tiller?
can he not tiller?
can we not tiller?
can you not tiller?
can they not tiller? 	can I not be tillering?
can you not be tillering?
can he not be tillering?
can we not be tillering?
can you not be tillering?
can they not be tillering? 	can I not have tillered?
can you not have tillered?
can he not have tillered?
can we not have tillered?
can you not have tillered?
can they not have tillered? 	can I not have been tillering?
can you not have been tillering?
can he not have been tillering?
can we not have been tillering?
can you not have been tillering?
can they not have been tillering?