Irregular verb: swim - swam - swum
Simple form | V-ing form |
I could swim you could swim he could swim we could swim you could swim they could swim | I could be swimming you could be swimming he could be swimming we could be swimming you could be swimming they could be swimming |
Perfect | V-ing perfect |
I could have swum you could have swum he could have swum we could have swum you could have swum they could have swum | I could have been swimming you could have been swimming he could have been swimming we could have been swimming you could have been swimming they could have been swimming |
Simple form | V-ing form |
I couldn't swim you couldn't swim he couldn't swim we couldn't swim you couldn't swim they couldn't swim | I couldn't be swimming you couldn't be swimming he couldn't be swimming we couldn't be swimming you couldn't be swimming they couldn't be swimming |
Perfect | V-ing perfect |
I couldn't have swum you couldn't have swum he couldn't have swum we couldn't have swum you couldn't have swum they couldn't have swum | I couldn't have been swimming you couldn't have been swimming he couldn't have been swimming we couldn't have been swimming you couldn't have been swimming they couldn't have been swimming |
Simple form | V-ing form |
could I swim? could you swim? could he swim? could we swim? could you swim? could they swim? | could I be swimming? could you be swimming? could he be swimming? could we be swimming? could you be swimming? could they be swimming? |
Perfect | V-ing perfect |
could I have swum? could you have swum? could he have swum? could we have swum? could you have swum? could they have swum? | could I have been swimming? could you have been swimming? could he have been swimming? could we have been swimming? could you have been swimming? could they have been swimming? |
Simple form | V-ing form |
couldn't I swim? couldn't you swim? couldn't he swim? couldn't we swim? couldn't you swim? couldn't they swim? | couldn't I be swimming? couldn't you be swimming? couldn't he be swimming? couldn't we be swimming? couldn't you be swimming? couldn't they be swimming? |
Perfect | V-ing perfect |
couldn't I have swum? couldn't you have swum? couldn't he have swum? couldn't we have swum? couldn't you have swum? couldn't they have swum? | couldn't I have been swimming? couldn't you have been swimming? couldn't he have been swimming? couldn't we have been swimming? couldn't you have been swimming? couldn't they have been swimming? |