could radiolabel
Verbo regular: radiolabel - radiolabeled- radiolabeled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could radiolabel
you could radiolabel
he could radiolabel
we could radiolabel
you could radiolabel
they could radiolabel 	I could be radiolabeling
you could be radiolabeling
he could be radiolabeling
we could be radiolabeling
you could be radiolabeling
they could be radiolabeling	I could have radiolabeled
you could have radiolabeled
he could have radiolabeled
we could have radiolabeled
you could have radiolabeled
they could have radiolabeled	I could have been radiolabeling
you could have been radiolabeling
he could have been radiolabeling
we could have been radiolabeling
you could have been radiolabeling
they could have been radiolabeling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't radiolabel
you couldn't radiolabel
he couldn't radiolabel
we couldn't radiolabel
you couldn't radiolabel
they couldn't radiolabel 	I couldn't be radiolabeling
you couldn't be radiolabeling
he couldn't be radiolabeling
we couldn't be radiolabeling
you couldn't be radiolabeling
they couldn't be radiolabeling	I couldn't have radiolabeled
you couldn't have radiolabeled
he couldn't have radiolabeled
we couldn't have radiolabeled
you couldn't have radiolabeled
they couldn't have radiolabeled	I couldn't have been radiolabeling
you couldn't have been radiolabeling
he couldn't have been radiolabeling
we couldn't have been radiolabeling
you couldn't have been radiolabeling
they couldn't have been radiolabeling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I radiolabel?
could you radiolabel?
could he radiolabel?
could we radiolabel?
could you radiolabel?
could they radiolabel? 	could I be radiolabeling?
could you be radiolabeling?
could he be radiolabeling?
could we be radiolabeling?
could you be radiolabeling?
could they be radiolabeling? 	could I have radiolabeled?
could you have radiolabeled?
could he have radiolabeled?
could we have radiolabeled?
could you have radiolabeled?
could they have radiolabeled? 	could I have been radiolabeling?
could you have been radiolabeling?
could he have been radiolabeling?
could we have been radiolabeling?
could you have been radiolabeling?
could they have been radiolabeling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I radiolabel?
couldn't you radiolabel?
couldn't he radiolabel?
couldn't we radiolabel?
couldn't you radiolabel?
couldn't they radiolabel? 	couldn't I be radiolabeling?
couldn't you be radiolabeling?
couldn't he be radiolabeling?
couldn't we be radiolabeling?
couldn't you be radiolabeling?
couldn't they be radiolabeling? 	couldn't I have radiolabeled?
couldn't you have radiolabeled?
couldn't he have radiolabeled?
couldn't we have radiolabeled?
couldn't you have radiolabeled?
couldn't they have radiolabeled? 	couldn't I have been radiolabeling?
couldn't you have been radiolabeling?
couldn't he have been radiolabeling?
couldn't we have been radiolabeling?
couldn't you have been radiolabeling?
couldn't they have been radiolabeling?