Regular verb: yelp - yelped - yelped
Simple form | V-ing form |
I could yelp you could yelp she could yelp we could yelp you could yelp they could yelp | I could be yelping you could be yelping she could be yelping we could be yelping you could be yelping they could be yelping |
Perfect | V-ing perfect |
I could have yelped you could have yelped she could have yelped we could have yelped you could have yelped they could have yelped | I could have been yelping you could have been yelping she could have been yelping we could have been yelping you could have been yelping they could have been yelping |
Simple form | V-ing form |
I couldn't yelp you couldn't yelp she couldn't yelp we couldn't yelp you couldn't yelp they couldn't yelp | I couldn't be yelping you couldn't be yelping she couldn't be yelping we couldn't be yelping you couldn't be yelping they couldn't be yelping |
Perfect | V-ing perfect |
I couldn't have yelped you couldn't have yelped she couldn't have yelped we couldn't have yelped you couldn't have yelped they couldn't have yelped | I couldn't have been yelping you couldn't have been yelping she couldn't have been yelping we couldn't have been yelping you couldn't have been yelping they couldn't have been yelping |
Simple form | V-ing form |
could I yelp? could you yelp? could she yelp? could we yelp? could you yelp? could they yelp? | could I be yelping? could you be yelping? could she be yelping? could we be yelping? could you be yelping? could they be yelping? |
Perfect | V-ing perfect |
could I have yelped? could you have yelped? could she have yelped? could we have yelped? could you have yelped? could they have yelped? | could I have been yelping? could you have been yelping? could she have been yelping? could we have been yelping? could you have been yelping? could they have been yelping? |
Simple form | V-ing form |
couldn't I yelp? couldn't you yelp? couldn't she yelp? couldn't we yelp? couldn't you yelp? couldn't they yelp? | couldn't I be yelping? couldn't you be yelping? couldn't she be yelping? couldn't we be yelping? couldn't you be yelping? couldn't they be yelping? |
Perfect | V-ing perfect |
couldn't I have yelped? couldn't you have yelped? couldn't she have yelped? couldn't we have yelped? couldn't you have yelped? couldn't they have yelped? | couldn't I have been yelping? couldn't you have been yelping? couldn't she have been yelping? couldn't we have been yelping? couldn't you have been yelping? couldn't they have been yelping? |