English verb conjugation
COULD SECRETE

Regular verb: secrete - secreted - secreted

Affirmation

Simple form	V-ing form
I could secrete you could secrete he could secrete we could secrete you could secrete they could secrete	I could be secreting you could be secreting he could be secreting we could be secreting you could be secreting they could be secreting
Perfect	V-ing perfect
I could have secreted you could have secreted he could have secreted we could have secreted you could have secreted they could have secreted	I could have been secreting you could have been secreting he could have been secreting we could have been secreting you could have been secreting they could have been secreting

Negation

Simple form	V-ing form
I couldn't secrete you couldn't secrete he couldn't secrete we couldn't secrete you couldn't secrete they couldn't secrete	I couldn't be secreting you couldn't be secreting he couldn't be secreting we couldn't be secreting you couldn't be secreting they couldn't be secreting
Perfect	V-ing perfect
I couldn't have secreted you couldn't have secreted he couldn't have secreted we couldn't have secreted you couldn't have secreted they couldn't have secreted	I couldn't have been secreting you couldn't have been secreting he couldn't have been secreting we couldn't have been secreting you couldn't have been secreting they couldn't have been secreting

Interrogative form

Simple form	V-ing form
could I secrete? could you secrete? could he secrete? could we secrete? could you secrete? could they secrete?	could I be secreting? could you be secreting? could he be secreting? could we be secreting? could you be secreting? could they be secreting?
Perfect	V-ing perfect
could I have secreted? could you have secreted? could he have secreted? could we have secreted? could you have secreted? could they have secreted?	could I have been secreting? could you have been secreting? could he have been secreting? could we have been secreting? could you have been secreting? could they have been secreting?

Interro-negative form

Simple form	V-ing form
couldn't I secrete? couldn't you secrete? couldn't he secrete? couldn't we secrete? couldn't you secrete? couldn't they secrete?	couldn't I be secreting? couldn't you be secreting? couldn't he be secreting? couldn't we be secreting? couldn't you be secreting? couldn't they be secreting?
Perfect	V-ing perfect
couldn't I have secreted? couldn't you have secreted? couldn't he have secreted? couldn't we have secreted? couldn't you have secreted? couldn't they have secreted?	couldn't I have been secreting? couldn't you have been secreting? couldn't he have been secreting? couldn't we have been secreting? couldn't you have been secreting? couldn't they have been secreting?