English verb conjugation
COULD PRESHIP

Regular verb: preship - preshiped - preshiped

Affirmation

Simple form	V-ing form
I could preship you could preship he could preship we could preship you could preship they could preship	I could be preshiping you could be preshiping he could be preshiping we could be preshiping you could be preshiping they could be preshiping
Perfect	V-ing perfect
I could have preshiped you could have preshiped he could have preshiped we could have preshiped you could have preshiped they could have preshiped	I could have been preshiping you could have been preshiping he could have been preshiping we could have been preshiping you could have been preshiping they could have been preshiping

Negation

Simple form	V-ing form
I couldn't preship you couldn't preship he couldn't preship we couldn't preship you couldn't preship they couldn't preship	I couldn't be preshiping you couldn't be preshiping he couldn't be preshiping we couldn't be preshiping you couldn't be preshiping they couldn't be preshiping
Perfect	V-ing perfect
I couldn't have preshiped you couldn't have preshiped he couldn't have preshiped we couldn't have preshiped you couldn't have preshiped they couldn't have preshiped	I couldn't have been preshiping you couldn't have been preshiping he couldn't have been preshiping we couldn't have been preshiping you couldn't have been preshiping they couldn't have been preshiping

Interrogative form

Simple form	V-ing form
could I preship? could you preship? could he preship? could we preship? could you preship? could they preship?	could I be preshiping? could you be preshiping? could he be preshiping? could we be preshiping? could you be preshiping? could they be preshiping?
Perfect	V-ing perfect
could I have preshiped? could you have preshiped? could he have preshiped? could we have preshiped? could you have preshiped? could they have preshiped?	could I have been preshiping? could you have been preshiping? could he have been preshiping? could we have been preshiping? could you have been preshiping? could they have been preshiping?

Interro-negative form

Simple form	V-ing form
couldn't I preship? couldn't you preship? couldn't he preship? couldn't we preship? couldn't you preship? couldn't they preship?	couldn't I be preshiping? couldn't you be preshiping? couldn't he be preshiping? couldn't we be preshiping? couldn't you be preshiping? couldn't they be preshiping?
Perfect	V-ing perfect
couldn't I have preshiped? couldn't you have preshiped? couldn't he have preshiped? couldn't we have preshiped? couldn't you have preshiped? couldn't they have preshiped?	couldn't I have been preshiping? couldn't you have been preshiping? couldn't he have been preshiping? couldn't we have been preshiping? couldn't you have been preshiping? couldn't they have been preshiping?