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