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