English verb conjugation
COULD INFRINGE

Regular verb: infringe - infringed - infringed

Affirmation

Simple form	V-ing form
I could infringe you could infringe he could infringe we could infringe you could infringe they could infringe	I could be infringing you could be infringing he could be infringing we could be infringing you could be infringing they could be infringing
Perfect	V-ing perfect
I could have infringed you could have infringed he could have infringed we could have infringed you could have infringed they could have infringed	I could have been infringing you could have been infringing he could have been infringing we could have been infringing you could have been infringing they could have been infringing

Negation

Simple form	V-ing form
I could not infringe you could not infringe he could not infringe we could not infringe you could not infringe they could not infringe	I could not be infringing you could not be infringing he could not be infringing we could not be infringing you could not be infringing they could not be infringing
Perfect	V-ing perfect
I could not have infringed you could not have infringed he could not have infringed we could not have infringed you could not have infringed they could not have infringed	I could not have been infringing you could not have been infringing he could not have been infringing we could not have been infringing you could not have been infringing they could not have been infringing

Interrogative form

Simple form	V-ing form
could I infringe? could you infringe? could he infringe? could we infringe? could you infringe? could they infringe?	could I be infringing? could you be infringing? could he be infringing? could we be infringing? could you be infringing? could they be infringing?
Perfect	V-ing perfect
could I have infringed? could you have infringed? could he have infringed? could we have infringed? could you have infringed? could they have infringed?	could I have been infringing? could you have been infringing? could he have been infringing? could we have been infringing? could you have been infringing? could they have been infringing?

Interro-negative form

Simple form	V-ing form
could I not infringe? could you not infringe? could he not infringe? could we not infringe? could you not infringe? could they not infringe?	could I not be infringing? could you not be infringing? could he not be infringing? could we not be infringing? could you not be infringing? could they not be infringing?
Perfect	V-ing perfect
could I not have infringed? could you not have infringed? could he not have infringed? could we not have infringed? could you not have infringed? could they not have infringed?	could I not have been infringing? could you not have been infringing? could he not have been infringing? could we not have been infringing? could you not have been infringing? could they not have been infringing?