could sickly
Regular verb: sickly - sicklied- sicklied

Affirmation 	
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I could sickly
you could sickly
she could sickly
we could sickly
you could sickly
they could sickly 	I could be sicklying
you could be sicklying
she could be sicklying
we could be sicklying
you could be sicklying
they could be sicklying	I could have sicklied
you could have sicklied
she 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
she 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 couldn't sickly
you couldn't sickly
she couldn't sickly
we couldn't sickly
you couldn't sickly
they couldn't sickly 	I couldn't be sicklying
you couldn't be sicklying
she couldn't be sicklying
we couldn't be sicklying
you couldn't be sicklying
they couldn't be sicklying	I couldn't have sicklied
you couldn't have sicklied
she couldn't have sicklied
we couldn't have sicklied
you couldn't have sicklied
they couldn't have sicklied	I couldn't have been sicklying
you couldn't have been sicklying
she couldn't have been sicklying
we couldn't have been sicklying
you couldn't have been sicklying
they couldn't have been sicklying	

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

Interro-negative form 	
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couldn't I sickly?
couldn't you sickly?
couldn't she sickly?
couldn't we sickly?
couldn't you sickly?
couldn't they sickly? 	couldn't I be sicklying?
couldn't you be sicklying?
couldn't she be sicklying?
couldn't we be sicklying?
couldn't you be sicklying?
couldn't they be sicklying? 	couldn't I have sicklied?
couldn't you have sicklied?
couldn't she have sicklied?
couldn't we have sicklied?
couldn't you have sicklied?
couldn't they have sicklied? 	couldn't I have been sicklying?
couldn't you have been sicklying?
couldn't she have been sicklying?
couldn't we have been sicklying?
couldn't you have been sicklying?
couldn't they have been sicklying?