I could interoscillate you could interoscillate he could interoscillate we could interoscillate you could interoscillate they could interoscillate
V-ing form
I could be interoscillating you could be interoscillating he could be interoscillating we could be interoscillating you could be interoscillating they could be interoscillating
Perfect
I could have interoscillated you could have interoscillated he could have interoscillated we could have interoscillated you could have interoscillated they could have interoscillated
V-ing perfect
I could have been interoscillating you could have been interoscillating he could have been interoscillating we could have been interoscillating you could have been interoscillating they could have been interoscillating
Negation
Simple form
I could not interoscillate you could not interoscillate he could not interoscillate we could not interoscillate you could not interoscillate they could not interoscillate
V-ing form
I could not be interoscillating you could not be interoscillating he could not be interoscillating we could not be interoscillating you could not be interoscillating they could not be interoscillating
Perfect
I could not have interoscillated you could not have interoscillated he could not have interoscillated we could not have interoscillated you could not have interoscillated they could not have interoscillated
V-ing perfect
I could not have been interoscillating you could not have been interoscillating he could not have been interoscillating we could not have been interoscillating you could not have been interoscillating they could not have been interoscillating
Interrogative form
Simple form
could I interoscillate? could you interoscillate? could he interoscillate? could we interoscillate? could you interoscillate? could they interoscillate?
V-ing form
could I be interoscillating? could you be interoscillating? could he be interoscillating? could we be interoscillating? could you be interoscillating? could they be interoscillating?
Perfect
could I have interoscillated? could you have interoscillated? could he have interoscillated? could we have interoscillated? could you have interoscillated? could they have interoscillated?
V-ing perfect
could I have been interoscillating? could you have been interoscillating? could he have been interoscillating? could we have been interoscillating? could you have been interoscillating? could they have been interoscillating?
Interro-negative form
Simple form
could I not interoscillate? could you not interoscillate? could he not interoscillate? could we not interoscillate? could you not interoscillate? could they not interoscillate?
V-ing form
could I not be interoscillating? could you not be interoscillating? could he not be interoscillating? could we not be interoscillating? could you not be interoscillating? could they not be interoscillating?
Perfect
could I not have interoscillated? could you not have interoscillated? could he not have interoscillated? could we not have interoscillated? could you not have interoscillated? could they not have interoscillated?
V-ing perfect
could I not have been interoscillating? could you not have been interoscillating? could he not have been interoscillating? could we not have been interoscillating? could you not have been interoscillating? could they not have been interoscillating?