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