Regular verb: butter - buttered - buttered
Simple form | V-ing form |
I can butter you can butter she can butter we can butter you can butter they can butter | I can be buttering you can be buttering she can be buttering we can be buttering you can be buttering they can be buttering |
Perfect | V-ing perfect |
I can have buttered you can have buttered she can have buttered we can have buttered you can have buttered they can have buttered | I can have been buttering you can have been buttering she can have been buttering we can have been buttering you can have been buttering they can have been buttering |
Simple form | V-ing form |
I cannot butter you cannot butter she cannot butter we cannot butter you cannot butter they cannot butter | I cannot be buttering you cannot be buttering she cannot be buttering we cannot be buttering you cannot be buttering they cannot be buttering |
Perfect | V-ing perfect |
I cannot have buttered you cannot have buttered she cannot have buttered we cannot have buttered you cannot have buttered they cannot have buttered | I cannot have been buttering you cannot have been buttering she cannot have been buttering we cannot have been buttering you cannot have been buttering they cannot have been buttering |
Simple form | V-ing form |
can I butter? can you butter? can she butter? can we butter? can you butter? can they butter? | can I be buttering? can you be buttering? can she be buttering? can we be buttering? can you be buttering? can they be buttering? |
Perfect | V-ing perfect |
can I have buttered? can you have buttered? can she have buttered? can we have buttered? can you have buttered? can they have buttered? | can I have been buttering? can you have been buttering? can she have been buttering? can we have been buttering? can you have been buttering? can they have been buttering? |
Simple form | V-ing form |
can I not butter? can you not butter? can she not butter? can we not butter? can you not butter? can they not butter? | can I not be buttering? can you not be buttering? can she not be buttering? can we not be buttering? can you not be buttering? can they not be buttering? |
Perfect | V-ing perfect |
can I not have buttered? can you not have buttered? can she not have buttered? can we not have buttered? can you not have buttered? can they not have buttered? | can I not have been buttering? can you not have been buttering? can she not have been buttering? can we not have been buttering? can you not have been buttering? can they not have been buttering? |