Regular verb: commence - commenced - commenced
Simple form | V-ing form |
I could commence you could commence he could commence we could commence you could commence they could commence | I could be commencing you could be commencing he could be commencing we could be commencing you could be commencing they could be commencing |
Perfect | V-ing perfect |
I could have commenced you could have commenced he could have commenced we could have commenced you could have commenced they could have commenced | I could have been commencing you could have been commencing he could have been commencing we could have been commencing you could have been commencing they could have been commencing |
Simple form | V-ing form |
I couldn't commence you couldn't commence he couldn't commence we couldn't commence you couldn't commence they couldn't commence | I couldn't be commencing you couldn't be commencing he couldn't be commencing we couldn't be commencing you couldn't be commencing they couldn't be commencing |
Perfect | V-ing perfect |
I couldn't have commenced you couldn't have commenced he couldn't have commenced we couldn't have commenced you couldn't have commenced they couldn't have commenced | I couldn't have been commencing you couldn't have been commencing he couldn't have been commencing we couldn't have been commencing you couldn't have been commencing they couldn't have been commencing |
Simple form | V-ing form |
could I commence? could you commence? could he commence? could we commence? could you commence? could they commence? | could I be commencing? could you be commencing? could he be commencing? could we be commencing? could you be commencing? could they be commencing? |
Perfect | V-ing perfect |
could I have commenced? could you have commenced? could he have commenced? could we have commenced? could you have commenced? could they have commenced? | could I have been commencing? could you have been commencing? could he have been commencing? could we have been commencing? could you have been commencing? could they have been commencing? |
Simple form | V-ing form |
couldn't I commence? couldn't you commence? couldn't he commence? couldn't we commence? couldn't you commence? couldn't they commence? | couldn't I be commencing? couldn't you be commencing? couldn't he be commencing? couldn't we be commencing? couldn't you be commencing? couldn't they be commencing? |
Perfect | V-ing perfect |
couldn't I have commenced? couldn't you have commenced? couldn't he have commenced? couldn't we have commenced? couldn't you have commenced? couldn't they have commenced? | couldn't I have been commencing? couldn't you have been commencing? couldn't he have been commencing? couldn't we have been commencing? couldn't you have been commencing? couldn't they have been commencing? |