English verb conjugation
COULD SERRY

Regular verb: serry - serried - serried

Affirmation

Simple form	V-ing form
I could serry you could serry she could serry we could serry you could serry they could serry	I could be serrying you could be serrying she could be serrying we could be serrying you could be serrying they could be serrying
Perfect	V-ing perfect
I could have serried you could have serried she 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 she 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
I could not serry you could not serry she could not serry we could not serry you could not serry they could not serry	I could not be serrying you could not be serrying she could not be serrying we could not be serrying you could not be serrying they could not be serrying
Perfect	V-ing perfect
I could not have serried you could not have serried she could not have serried we could not have serried you could not have serried they could not have serried	I could not have been serrying you could not have been serrying she could not have been serrying we could not have been serrying you could not have been serrying they could not have been serrying

Interrogative form

Simple form	V-ing form
could I serry? could you serry? could she serry? could we serry? could you serry? could they serry?	could I be serrying? could you be serrying? could she be serrying? could we be serrying? could you be serrying? could they be serrying?
Perfect	V-ing perfect
could I have serried? could you have serried? could she 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 she 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
could I not serry? could you not serry? could she not serry? could we not serry? could you not serry? could they not serry?	could I not be serrying? could you not be serrying? could she not be serrying? could we not be serrying? could you not be serrying? could they not be serrying?
Perfect	V-ing perfect
could I not have serried? could you not have serried? could she not have serried? could we not have serried? could you not have serried? could they not have serried?	could I not have been serrying? could you not have been serrying? could she not have been serrying? could we not have been serrying? could you not have been serrying? could they not have been serrying?