English verb conjugation
COULD INVEIGH

Regular verb: inveigh - inveighed - inveighed

Affirmation

Simple form	V-ing form
I could inveigh you could inveigh he could inveigh we could inveigh you could inveigh they could inveigh	I could be inveighing you could be inveighing he could be inveighing we could be inveighing you could be inveighing they could be inveighing
Perfect	V-ing perfect
I could have inveighed you could have inveighed he could have inveighed we could have inveighed you could have inveighed they could have inveighed	I could have been inveighing you could have been inveighing he could have been inveighing we could have been inveighing you could have been inveighing they could have been inveighing

Negation

Simple form	V-ing form
I could not inveigh you could not inveigh he could not inveigh we could not inveigh you could not inveigh they could not inveigh	I could not be inveighing you could not be inveighing he could not be inveighing we could not be inveighing you could not be inveighing they could not be inveighing
Perfect	V-ing perfect
I could not have inveighed you could not have inveighed he could not have inveighed we could not have inveighed you could not have inveighed they could not have inveighed	I could not have been inveighing you could not have been inveighing he could not have been inveighing we could not have been inveighing you could not have been inveighing they could not have been inveighing

Interrogative form

Simple form	V-ing form
could I inveigh? could you inveigh? could he inveigh? could we inveigh? could you inveigh? could they inveigh?	could I be inveighing? could you be inveighing? could he be inveighing? could we be inveighing? could you be inveighing? could they be inveighing?
Perfect	V-ing perfect
could I have inveighed? could you have inveighed? could he have inveighed? could we have inveighed? could you have inveighed? could they have inveighed?	could I have been inveighing? could you have been inveighing? could he have been inveighing? could we have been inveighing? could you have been inveighing? could they have been inveighing?

Interro-negative form

Simple form	V-ing form
could I not inveigh? could you not inveigh? could he not inveigh? could we not inveigh? could you not inveigh? could they not inveigh?	could I not be inveighing? could you not be inveighing? could he not be inveighing? could we not be inveighing? could you not be inveighing? could they not be inveighing?
Perfect	V-ing perfect
could I not have inveighed? could you not have inveighed? could he not have inveighed? could we not have inveighed? could you not have inveighed? could they not have inveighed?	could I not have been inveighing? could you not have been inveighing? could he not have been inveighing? could we not have been inveighing? could you not have been inveighing? could they not have been inveighing?