I can appraise you can appraise he can appraise we can appraise you can appraise they can appraise
V-ing form
I can be appraising you can be appraising he can be appraising we can be appraising you can be appraising they can be appraising
Perfect
I can have appraised you can have appraised he can have appraised we can have appraised you can have appraised they can have appraised
V-ing perfect
I can have been appraising you can have been appraising he can have been appraising we can have been appraising you can have been appraising they can have been appraising
Negation
Simple form
I can't appraise you can't appraise he can't appraise we can't appraise you can't appraise they can't appraise
V-ing form
I can't be appraising you can't be appraising he can't be appraising we can't be appraising you can't be appraising they can't be appraising
Perfect
I can't have appraised you can't have appraised he can't have appraised we can't have appraised you can't have appraised they can't have appraised
V-ing perfect
I can't have been appraising you can't have been appraising he can't have been appraising we can't have been appraising you can't have been appraising they can't have been appraising
Interrogative form
Simple form
can I appraise? can you appraise? can he appraise? can we appraise? can you appraise? can they appraise?
V-ing form
can I be appraising? can you be appraising? can he be appraising? can we be appraising? can you be appraising? can they be appraising?
Perfect
can I have appraised? can you have appraised? can he have appraised? can we have appraised? can you have appraised? can they have appraised?
V-ing perfect
can I have been appraising? can you have been appraising? can he have been appraising? can we have been appraising? can you have been appraising? can they have been appraising?
Interro-negative form
Simple form
can't I appraise? can't you appraise? can't he appraise? can't we appraise? can't you appraise? can't they appraise?
V-ing form
can't I be appraising? can't you be appraising? can't he be appraising? can't we be appraising? can't you be appraising? can't they be appraising?
Perfect
can't I have appraised? can't you have appraised? can't he have appraised? can't we have appraised? can't you have appraised? can't they have appraised?
V-ing perfect
can't I have been appraising? can't you have been appraising? can't he have been appraising? can't we have been appraising? can't you have been appraising? can't they have been appraising?