I can yield you can yield he can yield we can yield you can yield they can yield
V-ing form
I can be yielding you can be yielding he can be yielding we can be yielding you can be yielding they can be yielding
Perfect
I can have yielded you can have yielded he can have yielded we can have yielded you can have yielded they can have yielded
V-ing perfect
I can have been yielding you can have been yielding he can have been yielding we can have been yielding you can have been yielding they can have been yielding
Negation
Simple form
I can't yield you can't yield he can't yield we can't yield you can't yield they can't yield
V-ing form
I can't be yielding you can't be yielding he can't be yielding we can't be yielding you can't be yielding they can't be yielding
Perfect
I can't have yielded you can't have yielded he can't have yielded we can't have yielded you can't have yielded they can't have yielded
V-ing perfect
I can't have been yielding you can't have been yielding he can't have been yielding we can't have been yielding you can't have been yielding they can't have been yielding
Interrogative form
Simple form
can I yield? can you yield? can he yield? can we yield? can you yield? can they yield?
V-ing form
can I be yielding? can you be yielding? can he be yielding? can we be yielding? can you be yielding? can they be yielding?
Perfect
can I have yielded? can you have yielded? can he have yielded? can we have yielded? can you have yielded? can they have yielded?
V-ing perfect
can I have been yielding? can you have been yielding? can he have been yielding? can we have been yielding? can you have been yielding? can they have been yielding?
Interro-negative form
Simple form
can't I yield? can't you yield? can't he yield? can't we yield? can't you yield? can't they yield?
V-ing form
can't I be yielding? can't you be yielding? can't he be yielding? can't we be yielding? can't you be yielding? can't they be yielding?
Perfect
can't I have yielded? can't you have yielded? can't he have yielded? can't we have yielded? can't you have yielded? can't they have yielded?
V-ing perfect
can't I have been yielding? can't you have been yielding? can't he have been yielding? can't we have been yielding? can't you have been yielding? can't they have been yielding?