I could bear you could bear he could bear we could bear you could bear they could bear
V-ing form
I could be bearing you could be bearing he could be bearing we could be bearing you could be bearing they could be bearing
Perfect
I could have borne, born you could have borne, born he could have borne, born we could have borne, born you could have borne, born they could have borne, born
V-ing perfect
I could have been bearing you could have been bearing he could have been bearing we could have been bearing you could have been bearing they could have been bearing
Negation
Simple form
I couldn't bear you couldn't bear he couldn't bear we couldn't bear you couldn't bear they couldn't bear
V-ing form
I couldn't be bearing you couldn't be bearing he couldn't be bearing we couldn't be bearing you couldn't be bearing they couldn't be bearing
Perfect
I couldn't have borne, born you couldn't have borne, born he couldn't have borne, born we couldn't have borne, born you couldn't have borne, born they couldn't have borne, born
V-ing perfect
I couldn't have been bearing you couldn't have been bearing he couldn't have been bearing we couldn't have been bearing you couldn't have been bearing they couldn't have been bearing
Interrogative form
Simple form
could I bear? could you bear? could he bear? could we bear? could you bear? could they bear?
V-ing form
could I be bearing? could you be bearing? could he be bearing? could we be bearing? could you be bearing? could they be bearing?
Perfect
could I have borne, born? could you have borne, born? could he have borne, born? could we have borne, born? could you have borne, born? could they have borne, born?
V-ing perfect
could I have been bearing? could you have been bearing? could he have been bearing? could we have been bearing? could you have been bearing? could they have been bearing?
Interro-negative form
Simple form
couldn't I bear? couldn't you bear? couldn't he bear? couldn't we bear? couldn't you bear? couldn't they bear?
V-ing form
couldn't I be bearing? couldn't you be bearing? couldn't he be bearing? couldn't we be bearing? couldn't you be bearing? couldn't they be bearing?
Perfect
couldn't I have borne, born? couldn't you have borne, born? couldn't he have borne, born? couldn't we have borne, born? couldn't you have borne, born? couldn't they have borne, born?
V-ing perfect
couldn't I have been bearing? couldn't you have been bearing? couldn't he have been bearing? couldn't we have been bearing? couldn't you have been bearing? couldn't they have been bearing?