I could home you could home he could home we could home you could home they could home
V-ing form
I could be homing you could be homing he could be homing we could be homing you could be homing they could be homing
Perfect
I could have homed you could have homed he could have homed we could have homed you could have homed they could have homed
V-ing perfect
I could have been homing you could have been homing he could have been homing we could have been homing you could have been homing they could have been homing
Negation
Simple form
I couldn't home you couldn't home he couldn't home we couldn't home you couldn't home they couldn't home
V-ing form
I couldn't be homing you couldn't be homing he couldn't be homing we couldn't be homing you couldn't be homing they couldn't be homing
Perfect
I couldn't have homed you couldn't have homed he couldn't have homed we couldn't have homed you couldn't have homed they couldn't have homed
V-ing perfect
I couldn't have been homing you couldn't have been homing he couldn't have been homing we couldn't have been homing you couldn't have been homing they couldn't have been homing
Interrogative form
Simple form
could I home? could you home? could he home? could we home? could you home? could they home?
V-ing form
could I be homing? could you be homing? could he be homing? could we be homing? could you be homing? could they be homing?
Perfect
could I have homed? could you have homed? could he have homed? could we have homed? could you have homed? could they have homed?
V-ing perfect
could I have been homing? could you have been homing? could he have been homing? could we have been homing? could you have been homing? could they have been homing?
Interro-negative form
Simple form
couldn't I home? couldn't you home? couldn't he home? couldn't we home? couldn't you home? couldn't they home?
V-ing form
couldn't I be homing? couldn't you be homing? couldn't he be homing? couldn't we be homing? couldn't you be homing? couldn't they be homing?
Perfect
couldn't I have homed? couldn't you have homed? couldn't he have homed? couldn't we have homed? couldn't you have homed? couldn't they have homed?
V-ing perfect
couldn't I have been homing? couldn't you have been homing? couldn't he have been homing? couldn't we have been homing? couldn't you have been homing? couldn't they have been homing?