Regular verb: experiment - experimented - experimented
Simple form | V-ing form |
I could experiment you could experiment he could experiment we could experiment you could experiment they could experiment | I could be experimenting you could be experimenting he could be experimenting we could be experimenting you could be experimenting they could be experimenting |
Perfect | V-ing perfect |
I could have experimented you could have experimented he could have experimented we could have experimented you could have experimented they could have experimented | I could have been experimenting you could have been experimenting he could have been experimenting we could have been experimenting you could have been experimenting they could have been experimenting |
Simple form | V-ing form |
I could not experiment you could not experiment he could not experiment we could not experiment you could not experiment they could not experiment | I could not be experimenting you could not be experimenting he could not be experimenting we could not be experimenting you could not be experimenting they could not be experimenting |
Perfect | V-ing perfect |
I could not have experimented you could not have experimented he could not have experimented we could not have experimented you could not have experimented they could not have experimented | I could not have been experimenting you could not have been experimenting he could not have been experimenting we could not have been experimenting you could not have been experimenting they could not have been experimenting |
Simple form | V-ing form |
could I experiment? could you experiment? could he experiment? could we experiment? could you experiment? could they experiment? | could I be experimenting? could you be experimenting? could he be experimenting? could we be experimenting? could you be experimenting? could they be experimenting? |
Perfect | V-ing perfect |
could I have experimented? could you have experimented? could he have experimented? could we have experimented? could you have experimented? could they have experimented? | could I have been experimenting? could you have been experimenting? could he have been experimenting? could we have been experimenting? could you have been experimenting? could they have been experimenting? |
Simple form | V-ing form |
could I not experiment? could you not experiment? could he not experiment? could we not experiment? could you not experiment? could they not experiment? | could I not be experimenting? could you not be experimenting? could he not be experimenting? could we not be experimenting? could you not be experimenting? could they not be experimenting? |
Perfect | V-ing perfect |
could I not have experimented? could you not have experimented? could he not have experimented? could we not have experimented? could you not have experimented? could they not have experimented? | could I not have been experimenting? could you not have been experimenting? could he not have been experimenting? could we not have been experimenting? could you not have been experimenting? could they not have been experimenting? |