English verb conjugation
COULD SAMBA

Regular verb: samba - sambaed - sambaed

Affirmation

Simple form	V-ing form
I could samba you could samba he could samba we could samba you could samba they could samba	I could be sambaing you could be sambaing he could be sambaing we could be sambaing you could be sambaing they could be sambaing
Perfect	V-ing perfect
I could have sambaed you could have sambaed he could have sambaed we could have sambaed you could have sambaed they could have sambaed	I could have been sambaing you could have been sambaing he could have been sambaing we could have been sambaing you could have been sambaing they could have been sambaing

Negation

Simple form	V-ing form
I couldn't samba you couldn't samba he couldn't samba we couldn't samba you couldn't samba they couldn't samba	I couldn't be sambaing you couldn't be sambaing he couldn't be sambaing we couldn't be sambaing you couldn't be sambaing they couldn't be sambaing
Perfect	V-ing perfect
I couldn't have sambaed you couldn't have sambaed he couldn't have sambaed we couldn't have sambaed you couldn't have sambaed they couldn't have sambaed	I couldn't have been sambaing you couldn't have been sambaing he couldn't have been sambaing we couldn't have been sambaing you couldn't have been sambaing they couldn't have been sambaing

Interrogative form

Simple form	V-ing form
could I samba? could you samba? could he samba? could we samba? could you samba? could they samba?	could I be sambaing? could you be sambaing? could he be sambaing? could we be sambaing? could you be sambaing? could they be sambaing?
Perfect	V-ing perfect
could I have sambaed? could you have sambaed? could he have sambaed? could we have sambaed? could you have sambaed? could they have sambaed?	could I have been sambaing? could you have been sambaing? could he have been sambaing? could we have been sambaing? could you have been sambaing? could they have been sambaing?

Interro-negative form

Simple form	V-ing form
couldn't I samba? couldn't you samba? couldn't he samba? couldn't we samba? couldn't you samba? couldn't they samba?	couldn't I be sambaing? couldn't you be sambaing? couldn't he be sambaing? couldn't we be sambaing? couldn't you be sambaing? couldn't they be sambaing?
Perfect	V-ing perfect
couldn't I have sambaed? couldn't you have sambaed? couldn't he have sambaed? couldn't we have sambaed? couldn't you have sambaed? couldn't they have sambaed?	couldn't I have been sambaing? couldn't you have been sambaing? couldn't he have been sambaing? couldn't we have been sambaing? couldn't you have been sambaing? couldn't they have been sambaing?