Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could bump inso you could bump inso he could bump inso we could bump inso you could bump inso they could bump inso
V-ing form
I could be bump insoing you could be bump insoing he could be bump insoing we could be bump insoing you could be bump insoing they could be bump insoing
Perfect
I could have bump insoed you could have bump insoed he could have bump insoed we could have bump insoed you could have bump insoed they could have bump insoed
V-ing perfect
I could have been bump insoing you could have been bump insoing he could have been bump insoing we could have been bump insoing you could have been bump insoing they could have been bump insoing
Negation
Simple form
I couldn't bump inso you couldn't bump inso he couldn't bump inso we couldn't bump inso you couldn't bump inso they couldn't bump inso
V-ing form
I couldn't be bump insoing you couldn't be bump insoing he couldn't be bump insoing we couldn't be bump insoing you couldn't be bump insoing they couldn't be bump insoing
Perfect
I couldn't have bump insoed you couldn't have bump insoed he couldn't have bump insoed we couldn't have bump insoed you couldn't have bump insoed they couldn't have bump insoed
V-ing perfect
I couldn't have been bump insoing you couldn't have been bump insoing he couldn't have been bump insoing we couldn't have been bump insoing you couldn't have been bump insoing they couldn't have been bump insoing
Interrogative form
Simple form
could I bump inso? could you bump inso? could he bump inso? could we bump inso? could you bump inso? could they bump inso?
V-ing form
could I be bump insoing? could you be bump insoing? could he be bump insoing? could we be bump insoing? could you be bump insoing? could they be bump insoing?
Perfect
could I have bump insoed? could you have bump insoed? could he have bump insoed? could we have bump insoed? could you have bump insoed? could they have bump insoed?
V-ing perfect
could I have been bump insoing? could you have been bump insoing? could he have been bump insoing? could we have been bump insoing? could you have been bump insoing? could they have been bump insoing?
Interro-negative form
Simple form
couldn't I bump inso? couldn't you bump inso? couldn't he bump inso? couldn't we bump inso? couldn't you bump inso? couldn't they bump inso?
V-ing form
couldn't I be bump insoing? couldn't you be bump insoing? couldn't he be bump insoing? couldn't we be bump insoing? couldn't you be bump insoing? couldn't they be bump insoing?
Perfect
couldn't I have bump insoed? couldn't you have bump insoed? couldn't he have bump insoed? couldn't we have bump insoed? couldn't you have bump insoed? couldn't they have bump insoed?
V-ing perfect
couldn't I have been bump insoing? couldn't you have been bump insoing? couldn't he have been bump insoing? couldn't we have been bump insoing? couldn't you have been bump insoing? couldn't they have been bump insoing?