I could blaspheme you could blaspheme he could blaspheme we could blaspheme you could blaspheme they could blaspheme
V-ing form
I could be blaspheming you could be blaspheming he could be blaspheming we could be blaspheming you could be blaspheming they could be blaspheming
Perfect
I could have blasphemed you could have blasphemed he could have blasphemed we could have blasphemed you could have blasphemed they could have blasphemed
V-ing perfect
I could have been blaspheming you could have been blaspheming he could have been blaspheming we could have been blaspheming you could have been blaspheming they could have been blaspheming
Negation
Simple form
I could not blaspheme you could not blaspheme he could not blaspheme we could not blaspheme you could not blaspheme they could not blaspheme
V-ing form
I could not be blaspheming you could not be blaspheming he could not be blaspheming we could not be blaspheming you could not be blaspheming they could not be blaspheming
Perfect
I could not have blasphemed you could not have blasphemed he could not have blasphemed we could not have blasphemed you could not have blasphemed they could not have blasphemed
V-ing perfect
I could not have been blaspheming you could not have been blaspheming he could not have been blaspheming we could not have been blaspheming you could not have been blaspheming they could not have been blaspheming
Interrogative form
Simple form
could I blaspheme? could you blaspheme? could he blaspheme? could we blaspheme? could you blaspheme? could they blaspheme?
V-ing form
could I be blaspheming? could you be blaspheming? could he be blaspheming? could we be blaspheming? could you be blaspheming? could they be blaspheming?
Perfect
could I have blasphemed? could you have blasphemed? could he have blasphemed? could we have blasphemed? could you have blasphemed? could they have blasphemed?
V-ing perfect
could I have been blaspheming? could you have been blaspheming? could he have been blaspheming? could we have been blaspheming? could you have been blaspheming? could they have been blaspheming?
Interro-negative form
Simple form
could I not blaspheme? could you not blaspheme? could he not blaspheme? could we not blaspheme? could you not blaspheme? could they not blaspheme?
V-ing form
could I not be blaspheming? could you not be blaspheming? could he not be blaspheming? could we not be blaspheming? could you not be blaspheming? could they not be blaspheming?
Perfect
could I not have blasphemed? could you not have blasphemed? could he not have blasphemed? could we not have blasphemed? could you not have blasphemed? could they not have blasphemed?
V-ing perfect
could I not have been blaspheming? could you not have been blaspheming? could he not have been blaspheming? could we not have been blaspheming? could you not have been blaspheming? could they not have been blaspheming?