English verb conjugation
COULD READVERTISE

Regular verb: readvertise - readvertised - readvertised

Affirmation

Simple form	V-ing form
I could readvertise you could readvertise he could readvertise we could readvertise you could readvertise they could readvertise	I could be readvertising you could be readvertising he could be readvertising we could be readvertising you could be readvertising they could be readvertising
Perfect	V-ing perfect
I could have readvertised you could have readvertised he could have readvertised we could have readvertised you could have readvertised they could have readvertised	I could have been readvertising you could have been readvertising he could have been readvertising we could have been readvertising you could have been readvertising they could have been readvertising

Negation

Simple form	V-ing form
I could not readvertise you could not readvertise he could not readvertise we could not readvertise you could not readvertise they could not readvertise	I could not be readvertising you could not be readvertising he could not be readvertising we could not be readvertising you could not be readvertising they could not be readvertising
Perfect	V-ing perfect
I could not have readvertised you could not have readvertised he could not have readvertised we could not have readvertised you could not have readvertised they could not have readvertised	I could not have been readvertising you could not have been readvertising he could not have been readvertising we could not have been readvertising you could not have been readvertising they could not have been readvertising

Interrogative form

Simple form	V-ing form
could I readvertise? could you readvertise? could he readvertise? could we readvertise? could you readvertise? could they readvertise?	could I be readvertising? could you be readvertising? could he be readvertising? could we be readvertising? could you be readvertising? could they be readvertising?
Perfect	V-ing perfect
could I have readvertised? could you have readvertised? could he have readvertised? could we have readvertised? could you have readvertised? could they have readvertised?	could I have been readvertising? could you have been readvertising? could he have been readvertising? could we have been readvertising? could you have been readvertising? could they have been readvertising?

Interro-negative form

Simple form	V-ing form
could I not readvertise? could you not readvertise? could he not readvertise? could we not readvertise? could you not readvertise? could they not readvertise?	could I not be readvertising? could you not be readvertising? could he not be readvertising? could we not be readvertising? could you not be readvertising? could they not be readvertising?
Perfect	V-ing perfect
could I not have readvertised? could you not have readvertised? could he not have readvertised? could we not have readvertised? could you not have readvertised? could they not have readvertised?	could I not have been readvertising? could you not have been readvertising? could he not have been readvertising? could we not have been readvertising? could you not have been readvertising? could they not have been readvertising?