I could scrimp you could scrimp she could scrimp we could scrimp you could scrimp they could scrimp
V-ing form
I could be scrimping you could be scrimping she could be scrimping we could be scrimping you could be scrimping they could be scrimping
Perfect
I could have scrimped you could have scrimped she could have scrimped we could have scrimped you could have scrimped they could have scrimped
V-ing perfect
I could have been scrimping you could have been scrimping she could have been scrimping we could have been scrimping you could have been scrimping they could have been scrimping
Negation
Simple form
I couldn't scrimp you couldn't scrimp she couldn't scrimp we couldn't scrimp you couldn't scrimp they couldn't scrimp
V-ing form
I couldn't be scrimping you couldn't be scrimping she couldn't be scrimping we couldn't be scrimping you couldn't be scrimping they couldn't be scrimping
Perfect
I couldn't have scrimped you couldn't have scrimped she couldn't have scrimped we couldn't have scrimped you couldn't have scrimped they couldn't have scrimped
V-ing perfect
I couldn't have been scrimping you couldn't have been scrimping she couldn't have been scrimping we couldn't have been scrimping you couldn't have been scrimping they couldn't have been scrimping
Interrogative form
Simple form
could I scrimp? could you scrimp? could she scrimp? could we scrimp? could you scrimp? could they scrimp?
V-ing form
could I be scrimping? could you be scrimping? could she be scrimping? could we be scrimping? could you be scrimping? could they be scrimping?
Perfect
could I have scrimped? could you have scrimped? could she have scrimped? could we have scrimped? could you have scrimped? could they have scrimped?
V-ing perfect
could I have been scrimping? could you have been scrimping? could she have been scrimping? could we have been scrimping? could you have been scrimping? could they have been scrimping?
Interro-negative form
Simple form
couldn't I scrimp? couldn't you scrimp? couldn't she scrimp? couldn't we scrimp? couldn't you scrimp? couldn't they scrimp?
V-ing form
couldn't I be scrimping? couldn't you be scrimping? couldn't she be scrimping? couldn't we be scrimping? couldn't you be scrimping? couldn't they be scrimping?
Perfect
couldn't I have scrimped? couldn't you have scrimped? couldn't she have scrimped? couldn't we have scrimped? couldn't you have scrimped? couldn't they have scrimped?
V-ing perfect
couldn't I have been scrimping? couldn't you have been scrimping? couldn't she have been scrimping? couldn't we have been scrimping? couldn't you have been scrimping? couldn't they have been scrimping?