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