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