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