I can covet you can covet he can covet we can covet you can covet they can covet
V-ing form
I can be coveting you can be coveting he can be coveting we can be coveting you can be coveting they can be coveting
Perfect
I can have coveted you can have coveted he can have coveted we can have coveted you can have coveted they can have coveted
V-ing perfect
I can have been coveting you can have been coveting he can have been coveting we can have been coveting you can have been coveting they can have been coveting
Negation
Simple form
I can't covet you can't covet he can't covet we can't covet you can't covet they can't covet
V-ing form
I can't be coveting you can't be coveting he can't be coveting we can't be coveting you can't be coveting they can't be coveting
Perfect
I can't have coveted you can't have coveted he can't have coveted we can't have coveted you can't have coveted they can't have coveted
V-ing perfect
I can't have been coveting you can't have been coveting he can't have been coveting we can't have been coveting you can't have been coveting they can't have been coveting
Interrogative form
Simple form
can I covet? can you covet? can he covet? can we covet? can you covet? can they covet?
V-ing form
can I be coveting? can you be coveting? can he be coveting? can we be coveting? can you be coveting? can they be coveting?
Perfect
can I have coveted? can you have coveted? can he have coveted? can we have coveted? can you have coveted? can they have coveted?
V-ing perfect
can I have been coveting? can you have been coveting? can he have been coveting? can we have been coveting? can you have been coveting? can they have been coveting?
Interro-negative form
Simple form
can't I covet? can't you covet? can't he covet? can't we covet? can't you covet? can't they covet?
V-ing form
can't I be coveting? can't you be coveting? can't he be coveting? can't we be coveting? can't you be coveting? can't they be coveting?
Perfect
can't I have coveted? can't you have coveted? can't he have coveted? can't we have coveted? can't you have coveted? can't they have coveted?
V-ing perfect
can't I have been coveting? can't you have been coveting? can't he have been coveting? can't we have been coveting? can't you have been coveting? can't they have been coveting?