Terms containing is is it yours

Subject	English	French
gen.	don't make your position worse than it is	n'aggrave pas ton cas
gen.	is is it yours?	c'est à toi?
gen.	is this it yours?	c'est à toi?
gen.	it follows from your statement that the witness is lying	il suit de votre déclaration que le témoin ment
gen.	it is greatly to your credit that you take such care of them	tu as du mérite de t'occuper d'eux
gen.	I've broken another glass — it's not your day, is it!	j'ai encore cassé un verre — décidément!
ironic.	oh dear, it's not your day, is it?	eh bien, tu en as des malheurs!
gen.	your drawing is perfect, leave it as it is	ton dessin est parfait, n'y touche plus