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