could sickly
Regular verb: sickly - sicklied- sicklied

Affirmation 	
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I could sickly
you could sickly
he could sickly
we could sickly
you could sickly
they could sickly 	I could be sicklying
you could be sicklying
he could be sicklying
we could be sicklying
you could be sicklying
they could be sicklying	I could have sicklied
you could have sicklied
he could have sicklied
we could have sicklied
you could have sicklied
they could have sicklied	I could have been sicklying
you could have been sicklying
he could have been sicklying
we could have been sicklying
you could have been sicklying
they could have been sicklying	

Negation 	
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I could not sickly
you could not sickly
he could not sickly
we could not sickly
you could not sickly
they could not sickly 	I could not be sicklying
you could not be sicklying
he could not be sicklying
we could not be sicklying
you could not be sicklying
they could not be sicklying	I could not have sicklied
you could not have sicklied
he could not have sicklied
we could not have sicklied
you could not have sicklied
they could not have sicklied	I could not have been sicklying
you could not have been sicklying
he could not have been sicklying
we could not have been sicklying
you could not have been sicklying
they could not have been sicklying	

Interrogative form 	
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could I sickly?
could you sickly?
could he sickly?
could we sickly?
could you sickly?
could they sickly? 	could I be sicklying?
could you be sicklying?
could he be sicklying?
could we be sicklying?
could you be sicklying?
could they be sicklying? 	could I have sicklied?
could you have sicklied?
could he have sicklied?
could we have sicklied?
could you have sicklied?
could they have sicklied? 	could I have been sicklying?
could you have been sicklying?
could he have been sicklying?
could we have been sicklying?
could you have been sicklying?
could they have been sicklying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not sickly?
could you not sickly?
could he not sickly?
could we not sickly?
could you not sickly?
could they not sickly? 	could I not be sicklying?
could you not be sicklying?
could he not be sicklying?
could we not be sicklying?
could you not be sicklying?
could they not be sicklying? 	could I not have sicklied?
could you not have sicklied?
could he not have sicklied?
could we not have sicklied?
could you not have sicklied?
could they not have sicklied? 	could I not have been sicklying?
could you not have been sicklying?
could he not have been sicklying?
could we not have been sicklying?
could you not have been sicklying?
could they not have been sicklying?