I could palpate you could palpate he could palpate we could palpate you could palpate they could palpate
V-ing form
I could be palpating you could be palpating he could be palpating we could be palpating you could be palpating they could be palpating
Perfect
I could have palpated you could have palpated he could have palpated we could have palpated you could have palpated they could have palpated
V-ing perfect
I could have been palpating you could have been palpating he could have been palpating we could have been palpating you could have been palpating they could have been palpating
Negation
Simple form
I could not palpate you could not palpate he could not palpate we could not palpate you could not palpate they could not palpate
V-ing form
I could not be palpating you could not be palpating he could not be palpating we could not be palpating you could not be palpating they could not be palpating
Perfect
I could not have palpated you could not have palpated he could not have palpated we could not have palpated you could not have palpated they could not have palpated
V-ing perfect
I could not have been palpating you could not have been palpating he could not have been palpating we could not have been palpating you could not have been palpating they could not have been palpating
Interrogative form
Simple form
could I palpate? could you palpate? could he palpate? could we palpate? could you palpate? could they palpate?
V-ing form
could I be palpating? could you be palpating? could he be palpating? could we be palpating? could you be palpating? could they be palpating?
Perfect
could I have palpated? could you have palpated? could he have palpated? could we have palpated? could you have palpated? could they have palpated?
V-ing perfect
could I have been palpating? could you have been palpating? could he have been palpating? could we have been palpating? could you have been palpating? could they have been palpating?
Interro-negative form
Simple form
could I not palpate? could you not palpate? could he not palpate? could we not palpate? could you not palpate? could they not palpate?
V-ing form
could I not be palpating? could you not be palpating? could he not be palpating? could we not be palpating? could you not be palpating? could they not be palpating?
Perfect
could I not have palpated? could you not have palpated? could he not have palpated? could we not have palpated? could you not have palpated? could they not have palpated?
V-ing perfect
could I not have been palpating? could you not have been palpating? could he not have been palpating? could we not have been palpating? could you not have been palpating? could they not have been palpating?