I could irradiate you could irradiate she could irradiate we could irradiate you could irradiate they could irradiate
V-ing form
I could be irradiating you could be irradiating she could be irradiating we could be irradiating you could be irradiating they could be irradiating
Perfect
I could have irradiated you could have irradiated she could have irradiated we could have irradiated you could have irradiated they could have irradiated
V-ing perfect
I could have been irradiating you could have been irradiating she could have been irradiating we could have been irradiating you could have been irradiating they could have been irradiating
Negation
Simple form
I couldn't irradiate you couldn't irradiate she couldn't irradiate we couldn't irradiate you couldn't irradiate they couldn't irradiate
V-ing form
I couldn't be irradiating you couldn't be irradiating she couldn't be irradiating we couldn't be irradiating you couldn't be irradiating they couldn't be irradiating
Perfect
I couldn't have irradiated you couldn't have irradiated she couldn't have irradiated we couldn't have irradiated you couldn't have irradiated they couldn't have irradiated
V-ing perfect
I couldn't have been irradiating you couldn't have been irradiating she couldn't have been irradiating we couldn't have been irradiating you couldn't have been irradiating they couldn't have been irradiating
Interrogative form
Simple form
could I irradiate? could you irradiate? could she irradiate? could we irradiate? could you irradiate? could they irradiate?
V-ing form
could I be irradiating? could you be irradiating? could she be irradiating? could we be irradiating? could you be irradiating? could they be irradiating?
Perfect
could I have irradiated? could you have irradiated? could she have irradiated? could we have irradiated? could you have irradiated? could they have irradiated?
V-ing perfect
could I have been irradiating? could you have been irradiating? could she have been irradiating? could we have been irradiating? could you have been irradiating? could they have been irradiating?
Interro-negative form
Simple form
couldn't I irradiate? couldn't you irradiate? couldn't she irradiate? couldn't we irradiate? couldn't you irradiate? couldn't they irradiate?
V-ing form
couldn't I be irradiating? couldn't you be irradiating? couldn't she be irradiating? couldn't we be irradiating? couldn't you be irradiating? couldn't they be irradiating?
Perfect
couldn't I have irradiated? couldn't you have irradiated? couldn't she have irradiated? couldn't we have irradiated? couldn't you have irradiated? couldn't they have irradiated?
V-ing perfect
couldn't I have been irradiating? couldn't you have been irradiating? couldn't she have been irradiating? couldn't we have been irradiating? couldn't you have been irradiating? couldn't they have been irradiating?