Regular verb: alter alter - alter altered - alter altered
Warning, this verb may not exist. Conjugation is given as example.
Simple form | V-ing form |
I could alter alter you could alter alter he could alter alter we could alter alter you could alter alter they could alter alter | I could be alter altering you could be alter altering he could be alter altering we could be alter altering you could be alter altering they could be alter altering |
Perfect | V-ing perfect |
I could have alter altered you could have alter altered he could have alter altered we could have alter altered you could have alter altered they could have alter altered | I could have been alter altering you could have been alter altering he could have been alter altering we could have been alter altering you could have been alter altering they could have been alter altering |
Simple form | V-ing form |
I could not alter alter you could not alter alter he could not alter alter we could not alter alter you could not alter alter they could not alter alter | I could not be alter altering you could not be alter altering he could not be alter altering we could not be alter altering you could not be alter altering they could not be alter altering |
Perfect | V-ing perfect |
I could not have alter altered you could not have alter altered he could not have alter altered we could not have alter altered you could not have alter altered they could not have alter altered | I could not have been alter altering you could not have been alter altering he could not have been alter altering we could not have been alter altering you could not have been alter altering they could not have been alter altering |
Simple form | V-ing form |
could I alter alter? could you alter alter? could he alter alter? could we alter alter? could you alter alter? could they alter alter? | could I be alter altering? could you be alter altering? could he be alter altering? could we be alter altering? could you be alter altering? could they be alter altering? |
Perfect | V-ing perfect |
could I have alter altered? could you have alter altered? could he have alter altered? could we have alter altered? could you have alter altered? could they have alter altered? | could I have been alter altering? could you have been alter altering? could he have been alter altering? could we have been alter altering? could you have been alter altering? could they have been alter altering? |
Simple form | V-ing form |
could I not alter alter? could you not alter alter? could he not alter alter? could we not alter alter? could you not alter alter? could they not alter alter? | could I not be alter altering? could you not be alter altering? could he not be alter altering? could we not be alter altering? could you not be alter altering? could they not be alter altering? |
Perfect | V-ing perfect |
could I not have alter altered? could you not have alter altered? could he not have alter altered? could we not have alter altered? could you not have alter altered? could they not have alter altered? | could I not have been alter altering? could you not have been alter altering? could he not have been alter altering? could we not have been alter altering? could you not have been alter altering? could they not have been alter altering? |