I can haste you can haste he can haste we can haste you can haste they can haste
V-ing form
I can be hasting you can be hasting he can be hasting we can be hasting you can be hasting they can be hasting
Perfect
I can have hasted you can have hasted he can have hasted we can have hasted you can have hasted they can have hasted
V-ing perfect
I can have been hasting you can have been hasting he can have been hasting we can have been hasting you can have been hasting they can have been hasting
Negation
Simple form
I can't haste you can't haste he can't haste we can't haste you can't haste they can't haste
V-ing form
I can't be hasting you can't be hasting he can't be hasting we can't be hasting you can't be hasting they can't be hasting
Perfect
I can't have hasted you can't have hasted he can't have hasted we can't have hasted you can't have hasted they can't have hasted
V-ing perfect
I can't have been hasting you can't have been hasting he can't have been hasting we can't have been hasting you can't have been hasting they can't have been hasting
Interrogative form
Simple form
can I haste? can you haste? can he haste? can we haste? can you haste? can they haste?
V-ing form
can I be hasting? can you be hasting? can he be hasting? can we be hasting? can you be hasting? can they be hasting?
Perfect
can I have hasted? can you have hasted? can he have hasted? can we have hasted? can you have hasted? can they have hasted?
V-ing perfect
can I have been hasting? can you have been hasting? can he have been hasting? can we have been hasting? can you have been hasting? can they have been hasting?
Interro-negative form
Simple form
can't I haste? can't you haste? can't he haste? can't we haste? can't you haste? can't they haste?
V-ing form
can't I be hasting? can't you be hasting? can't he be hasting? can't we be hasting? can't you be hasting? can't they be hasting?
Perfect
can't I have hasted? can't you have hasted? can't he have hasted? can't we have hasted? can't you have hasted? can't they have hasted?
V-ing perfect
can't I have been hasting? can't you have been hasting? can't he have been hasting? can't we have been hasting? can't you have been hasting? can't they have been hasting?