I could contextualize you could contextualize he could contextualize we could contextualize you could contextualize they could contextualize
V-ing form
I could be contextualizing you could be contextualizing he could be contextualizing we could be contextualizing you could be contextualizing they could be contextualizing
Perfect
I could have contextualized you could have contextualized he could have contextualized we could have contextualized you could have contextualized they could have contextualized
V-ing perfect
I could have been contextualizing you could have been contextualizing he could have been contextualizing we could have been contextualizing you could have been contextualizing they could have been contextualizing
Negation
Simple form
I couldn't contextualize you couldn't contextualize he couldn't contextualize we couldn't contextualize you couldn't contextualize they couldn't contextualize
V-ing form
I couldn't be contextualizing you couldn't be contextualizing he couldn't be contextualizing we couldn't be contextualizing you couldn't be contextualizing they couldn't be contextualizing
Perfect
I couldn't have contextualized you couldn't have contextualized he couldn't have contextualized we couldn't have contextualized you couldn't have contextualized they couldn't have contextualized
V-ing perfect
I couldn't have been contextualizing you couldn't have been contextualizing he couldn't have been contextualizing we couldn't have been contextualizing you couldn't have been contextualizing they couldn't have been contextualizing
Interrogative form
Simple form
could I contextualize? could you contextualize? could he contextualize? could we contextualize? could you contextualize? could they contextualize?
V-ing form
could I be contextualizing? could you be contextualizing? could he be contextualizing? could we be contextualizing? could you be contextualizing? could they be contextualizing?
Perfect
could I have contextualized? could you have contextualized? could he have contextualized? could we have contextualized? could you have contextualized? could they have contextualized?
V-ing perfect
could I have been contextualizing? could you have been contextualizing? could he have been contextualizing? could we have been contextualizing? could you have been contextualizing? could they have been contextualizing?
Interro-negative form
Simple form
couldn't I contextualize? couldn't you contextualize? couldn't he contextualize? couldn't we contextualize? couldn't you contextualize? couldn't they contextualize?
V-ing form
couldn't I be contextualizing? couldn't you be contextualizing? couldn't he be contextualizing? couldn't we be contextualizing? couldn't you be contextualizing? couldn't they be contextualizing?
Perfect
couldn't I have contextualized? couldn't you have contextualized? couldn't he have contextualized? couldn't we have contextualized? couldn't you have contextualized? couldn't they have contextualized?
V-ing perfect
couldn't I have been contextualizing? couldn't you have been contextualizing? couldn't he have been contextualizing? couldn't we have been contextualizing? couldn't you have been contextualizing? couldn't they have been contextualizing?