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