English verb conjugation
COULD SPEAR

Regular verb: spear - speared - speared

Affirmation

Simple form	V-ing form
I could spear you could spear he could spear we could spear you could spear they could spear	I could be spearing you could be spearing he could be spearing we could be spearing you could be spearing they could be spearing
Perfect	V-ing perfect
I could have speared you could have speared he could have speared we could have speared you could have speared they could have speared	I could have been spearing you could have been spearing he could have been spearing we could have been spearing you could have been spearing they could have been spearing

Negation

Simple form	V-ing form
I couldn't spear you couldn't spear he couldn't spear we couldn't spear you couldn't spear they couldn't spear	I couldn't be spearing you couldn't be spearing he couldn't be spearing we couldn't be spearing you couldn't be spearing they couldn't be spearing
Perfect	V-ing perfect
I couldn't have speared you couldn't have speared he couldn't have speared we couldn't have speared you couldn't have speared they couldn't have speared	I couldn't have been spearing you couldn't have been spearing he couldn't have been spearing we couldn't have been spearing you couldn't have been spearing they couldn't have been spearing

Interrogative form

Simple form	V-ing form
could I spear? could you spear? could he spear? could we spear? could you spear? could they spear?	could I be spearing? could you be spearing? could he be spearing? could we be spearing? could you be spearing? could they be spearing?
Perfect	V-ing perfect
could I have speared? could you have speared? could he have speared? could we have speared? could you have speared? could they have speared?	could I have been spearing? could you have been spearing? could he have been spearing? could we have been spearing? could you have been spearing? could they have been spearing?

Interro-negative form

Simple form	V-ing form
couldn't I spear? couldn't you spear? couldn't he spear? couldn't we spear? couldn't you spear? couldn't they spear?	couldn't I be spearing? couldn't you be spearing? couldn't he be spearing? couldn't we be spearing? couldn't you be spearing? couldn't they be spearing?
Perfect	V-ing perfect
couldn't I have speared? couldn't you have speared? couldn't he have speared? couldn't we have speared? couldn't you have speared? couldn't they have speared?	couldn't I have been spearing? couldn't you have been spearing? couldn't he have been spearing? couldn't we have been spearing? couldn't you have been spearing? couldn't they have been spearing?