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