I can beautify you can beautify he can beautify we can beautify you can beautify they can beautify
V-ing form
I can be beautifying you can be beautifying he can be beautifying we can be beautifying you can be beautifying they can be beautifying
Perfect
I can have beautified you can have beautified he can have beautified we can have beautified you can have beautified they can have beautified
V-ing perfect
I can have been beautifying you can have been beautifying he can have been beautifying we can have been beautifying you can have been beautifying they can have been beautifying
Negation
Simple form
I cannot beautify you cannot beautify he cannot beautify we cannot beautify you cannot beautify they cannot beautify
V-ing form
I cannot be beautifying you cannot be beautifying he cannot be beautifying we cannot be beautifying you cannot be beautifying they cannot be beautifying
Perfect
I cannot have beautified you cannot have beautified he cannot have beautified we cannot have beautified you cannot have beautified they cannot have beautified
V-ing perfect
I cannot have been beautifying you cannot have been beautifying he cannot have been beautifying we cannot have been beautifying you cannot have been beautifying they cannot have been beautifying
Interrogative form
Simple form
can I beautify? can you beautify? can he beautify? can we beautify? can you beautify? can they beautify?
V-ing form
can I be beautifying? can you be beautifying? can he be beautifying? can we be beautifying? can you be beautifying? can they be beautifying?
Perfect
can I have beautified? can you have beautified? can he have beautified? can we have beautified? can you have beautified? can they have beautified?
V-ing perfect
can I have been beautifying? can you have been beautifying? can he have been beautifying? can we have been beautifying? can you have been beautifying? can they have been beautifying?
Interro-negative form
Simple form
can I not beautify? can you not beautify? can he not beautify? can we not beautify? can you not beautify? can they not beautify?
V-ing form
can I not be beautifying? can you not be beautifying? can he not be beautifying? can we not be beautifying? can you not be beautifying? can they not be beautifying?
Perfect
can I not have beautified? can you not have beautified? can he not have beautified? can we not have beautified? can you not have beautified? can they not have beautified?
V-ing perfect
can I not have been beautifying? can you not have been beautifying? can he not have been beautifying? can we not have been beautifying? can you not have been beautifying? can they not have been beautifying?