I could breast you could breast he could breast we could breast you could breast they could breast
V-ing form
I could be breasting you could be breasting he could be breasting we could be breasting you could be breasting they could be breasting
Perfect
I could have breasted you could have breasted he could have breasted we could have breasted you could have breasted they could have breasted
V-ing perfect
I could have been breasting you could have been breasting he could have been breasting we could have been breasting you could have been breasting they could have been breasting
Negation
Simple form
I couldn't breast you couldn't breast he couldn't breast we couldn't breast you couldn't breast they couldn't breast
V-ing form
I couldn't be breasting you couldn't be breasting he couldn't be breasting we couldn't be breasting you couldn't be breasting they couldn't be breasting
Perfect
I couldn't have breasted you couldn't have breasted he couldn't have breasted we couldn't have breasted you couldn't have breasted they couldn't have breasted
V-ing perfect
I couldn't have been breasting you couldn't have been breasting he couldn't have been breasting we couldn't have been breasting you couldn't have been breasting they couldn't have been breasting
Interrogative form
Simple form
could I breast? could you breast? could he breast? could we breast? could you breast? could they breast?
V-ing form
could I be breasting? could you be breasting? could he be breasting? could we be breasting? could you be breasting? could they be breasting?
Perfect
could I have breasted? could you have breasted? could he have breasted? could we have breasted? could you have breasted? could they have breasted?
V-ing perfect
could I have been breasting? could you have been breasting? could he have been breasting? could we have been breasting? could you have been breasting? could they have been breasting?
Interro-negative form
Simple form
couldn't I breast? couldn't you breast? couldn't he breast? couldn't we breast? couldn't you breast? couldn't they breast?
V-ing form
couldn't I be breasting? couldn't you be breasting? couldn't he be breasting? couldn't we be breasting? couldn't you be breasting? couldn't they be breasting?
Perfect
couldn't I have breasted? couldn't you have breasted? couldn't he have breasted? couldn't we have breasted? couldn't you have breasted? couldn't they have breasted?
V-ing perfect
couldn't I have been breasting? couldn't you have been breasting? couldn't he have been breasting? couldn't we have been breasting? couldn't you have been breasting? couldn't they have been breasting?