I can toilet-train you can toilet-train he can toilet-train we can toilet-train you can toilet-train they can toilet-train
V-ing form
I can be toilet-training you can be toilet-training he can be toilet-training we can be toilet-training you can be toilet-training they can be toilet-training
Perfect
I can have toilet-trained you can have toilet-trained he can have toilet-trained we can have toilet-trained you can have toilet-trained they can have toilet-trained
V-ing perfect
I can have been toilet-training you can have been toilet-training he can have been toilet-training we can have been toilet-training you can have been toilet-training they can have been toilet-training
Negation
Simple form
I can't toilet-train you can't toilet-train he can't toilet-train we can't toilet-train you can't toilet-train they can't toilet-train
V-ing form
I can't be toilet-training you can't be toilet-training he can't be toilet-training we can't be toilet-training you can't be toilet-training they can't be toilet-training
Perfect
I can't have toilet-trained you can't have toilet-trained he can't have toilet-trained we can't have toilet-trained you can't have toilet-trained they can't have toilet-trained
V-ing perfect
I can't have been toilet-training you can't have been toilet-training he can't have been toilet-training we can't have been toilet-training you can't have been toilet-training they can't have been toilet-training
Interrogative form
Simple form
can I toilet-train? can you toilet-train? can he toilet-train? can we toilet-train? can you toilet-train? can they toilet-train?
V-ing form
can I be toilet-training? can you be toilet-training? can he be toilet-training? can we be toilet-training? can you be toilet-training? can they be toilet-training?
Perfect
can I have toilet-trained? can you have toilet-trained? can he have toilet-trained? can we have toilet-trained? can you have toilet-trained? can they have toilet-trained?
V-ing perfect
can I have been toilet-training? can you have been toilet-training? can he have been toilet-training? can we have been toilet-training? can you have been toilet-training? can they have been toilet-training?
Interro-negative form
Simple form
can't I toilet-train? can't you toilet-train? can't he toilet-train? can't we toilet-train? can't you toilet-train? can't they toilet-train?
V-ing form
can't I be toilet-training? can't you be toilet-training? can't he be toilet-training? can't we be toilet-training? can't you be toilet-training? can't they be toilet-training?
Perfect
can't I have toilet-trained? can't you have toilet-trained? can't he have toilet-trained? can't we have toilet-trained? can't you have toilet-trained? can't they have toilet-trained?
V-ing perfect
can't I have been toilet-training? can't you have been toilet-training? can't he have been toilet-training? can't we have been toilet-training? can't you have been toilet-training? can't they have been toilet-training?