could serry
Regular verb: serry - serried- serried

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could serry
you could serry
he could serry
we could serry
you could serry
they could serry 	I could be serrying
you could be serrying
he could be serrying
we could be serrying
you could be serrying
they could be serrying	I could have serried
you could have serried
he could have serried
we could have serried
you could have serried
they could have serried	I could have been serrying
you could have been serrying
he could have been serrying
we could have been serrying
you could have been serrying
they could have been serrying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't serry
you couldn't serry
he couldn't serry
we couldn't serry
you couldn't serry
they couldn't serry 	I couldn't be serrying
you couldn't be serrying
he couldn't be serrying
we couldn't be serrying
you couldn't be serrying
they couldn't be serrying	I couldn't have serried
you couldn't have serried
he couldn't have serried
we couldn't have serried
you couldn't have serried
they couldn't have serried	I couldn't have been serrying
you couldn't have been serrying
he couldn't have been serrying
we couldn't have been serrying
you couldn't have been serrying
they couldn't have been serrying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I serry?
could you serry?
could he serry?
could we serry?
could you serry?
could they serry? 	could I be serrying?
could you be serrying?
could he be serrying?
could we be serrying?
could you be serrying?
could they be serrying? 	could I have serried?
could you have serried?
could he have serried?
could we have serried?
could you have serried?
could they have serried? 	could I have been serrying?
could you have been serrying?
could he have been serrying?
could we have been serrying?
could you have been serrying?
could they have been serrying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I serry?
couldn't you serry?
couldn't he serry?
couldn't we serry?
couldn't you serry?
couldn't they serry? 	couldn't I be serrying?
couldn't you be serrying?
couldn't he be serrying?
couldn't we be serrying?
couldn't you be serrying?
couldn't they be serrying? 	couldn't I have serried?
couldn't you have serried?
couldn't he have serried?
couldn't we have serried?
couldn't you have serried?
couldn't they have serried? 	couldn't I have been serrying?
couldn't you have been serrying?
couldn't he have been serrying?
couldn't we have been serrying?
couldn't you have been serrying?
couldn't they have been serrying?