I can refrigerate you can refrigerate he can refrigerate we can refrigerate you can refrigerate they can refrigerate
V-ing form
I can be refrigerating you can be refrigerating he can be refrigerating we can be refrigerating you can be refrigerating they can be refrigerating
Perfect
I can have refrigerated you can have refrigerated he can have refrigerated we can have refrigerated you can have refrigerated they can have refrigerated
V-ing perfect
I can have been refrigerating you can have been refrigerating he can have been refrigerating we can have been refrigerating you can have been refrigerating they can have been refrigerating
Negation
Simple form
I can't refrigerate you can't refrigerate he can't refrigerate we can't refrigerate you can't refrigerate they can't refrigerate
V-ing form
I can't be refrigerating you can't be refrigerating he can't be refrigerating we can't be refrigerating you can't be refrigerating they can't be refrigerating
Perfect
I can't have refrigerated you can't have refrigerated he can't have refrigerated we can't have refrigerated you can't have refrigerated they can't have refrigerated
V-ing perfect
I can't have been refrigerating you can't have been refrigerating he can't have been refrigerating we can't have been refrigerating you can't have been refrigerating they can't have been refrigerating
Interrogative form
Simple form
can I refrigerate? can you refrigerate? can he refrigerate? can we refrigerate? can you refrigerate? can they refrigerate?
V-ing form
can I be refrigerating? can you be refrigerating? can he be refrigerating? can we be refrigerating? can you be refrigerating? can they be refrigerating?
Perfect
can I have refrigerated? can you have refrigerated? can he have refrigerated? can we have refrigerated? can you have refrigerated? can they have refrigerated?
V-ing perfect
can I have been refrigerating? can you have been refrigerating? can he have been refrigerating? can we have been refrigerating? can you have been refrigerating? can they have been refrigerating?
Interro-negative form
Simple form
can't I refrigerate? can't you refrigerate? can't he refrigerate? can't we refrigerate? can't you refrigerate? can't they refrigerate?
V-ing form
can't I be refrigerating? can't you be refrigerating? can't he be refrigerating? can't we be refrigerating? can't you be refrigerating? can't they be refrigerating?
Perfect
can't I have refrigerated? can't you have refrigerated? can't he have refrigerated? can't we have refrigerated? can't you have refrigerated? can't they have refrigerated?
V-ing perfect
can't I have been refrigerating? can't you have been refrigerating? can't he have been refrigerating? can't we have been refrigerating? can't you have been refrigerating? can't they have been refrigerating?