Regular verb: burp - burped - burped
Simple form | V-ing form |
I could burp you could burp he could burp we could burp you could burp they could burp | I could be burping you could be burping he could be burping we could be burping you could be burping they could be burping |
Perfect | V-ing perfect |
I could have burped you could have burped he could have burped we could have burped you could have burped they could have burped | I could have been burping you could have been burping he could have been burping we could have been burping you could have been burping they could have been burping |
Simple form | V-ing form |
I couldn't burp you couldn't burp he couldn't burp we couldn't burp you couldn't burp they couldn't burp | I couldn't be burping you couldn't be burping he couldn't be burping we couldn't be burping you couldn't be burping they couldn't be burping |
Perfect | V-ing perfect |
I couldn't have burped you couldn't have burped he couldn't have burped we couldn't have burped you couldn't have burped they couldn't have burped | I couldn't have been burping you couldn't have been burping he couldn't have been burping we couldn't have been burping you couldn't have been burping they couldn't have been burping |
Simple form | V-ing form |
could I burp? could you burp? could he burp? could we burp? could you burp? could they burp? | could I be burping? could you be burping? could he be burping? could we be burping? could you be burping? could they be burping? |
Perfect | V-ing perfect |
could I have burped? could you have burped? could he have burped? could we have burped? could you have burped? could they have burped? | could I have been burping? could you have been burping? could he have been burping? could we have been burping? could you have been burping? could they have been burping? |
Simple form | V-ing form |
couldn't I burp? couldn't you burp? couldn't he burp? couldn't we burp? couldn't you burp? couldn't they burp? | couldn't I be burping? couldn't you be burping? couldn't he be burping? couldn't we be burping? couldn't you be burping? couldn't they be burping? |
Perfect | V-ing perfect |
couldn't I have burped? couldn't you have burped? couldn't he have burped? couldn't we have burped? couldn't you have burped? couldn't they have burped? | couldn't I have been burping? couldn't you have been burping? couldn't he have been burping? couldn't we have been burping? couldn't you have been burping? couldn't they have been burping? |