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