I can steam you can steam he can steam we can steam you can steam they can steam
V-ing form
I can be steaming you can be steaming he can be steaming we can be steaming you can be steaming they can be steaming
Perfect
I can have steamed you can have steamed he can have steamed we can have steamed you can have steamed they can have steamed
V-ing perfect
I can have been steaming you can have been steaming he can have been steaming we can have been steaming you can have been steaming they can have been steaming
Negation
Simple form
I can't steam you can't steam he can't steam we can't steam you can't steam they can't steam
V-ing form
I can't be steaming you can't be steaming he can't be steaming we can't be steaming you can't be steaming they can't be steaming
Perfect
I can't have steamed you can't have steamed he can't have steamed we can't have steamed you can't have steamed they can't have steamed
V-ing perfect
I can't have been steaming you can't have been steaming he can't have been steaming we can't have been steaming you can't have been steaming they can't have been steaming
Interrogative form
Simple form
can I steam? can you steam? can he steam? can we steam? can you steam? can they steam?
V-ing form
can I be steaming? can you be steaming? can he be steaming? can we be steaming? can you be steaming? can they be steaming?
Perfect
can I have steamed? can you have steamed? can he have steamed? can we have steamed? can you have steamed? can they have steamed?
V-ing perfect
can I have been steaming? can you have been steaming? can he have been steaming? can we have been steaming? can you have been steaming? can they have been steaming?
Interro-negative form
Simple form
can't I steam? can't you steam? can't he steam? can't we steam? can't you steam? can't they steam?
V-ing form
can't I be steaming? can't you be steaming? can't he be steaming? can't we be steaming? can't you be steaming? can't they be steaming?
Perfect
can't I have steamed? can't you have steamed? can't he have steamed? can't we have steamed? can't you have steamed? can't they have steamed?
V-ing perfect
can't I have been steaming? can't you have been steaming? can't he have been steaming? can't we have been steaming? can't you have been steaming? can't they have been steaming?