1.if (be) you , i(not/listen) to his lies 2.if he (not eat) that sandwich , he would not have suffered from food poisoning 3. Father Chrismas won't bring you any presents unless you (be ) a good girl 4.as long as you (do) your best , no one will criticise you 5. what (you/give) me if I ( keep) your secret 6.supposing no one (invent) the silicon chip , ( things/be) diffirent now? 7.Emily never(pay) any attention to the job so far. she (lose) her job unless the changes her attitude 8.you won't understand this unless you (pay)attention 9.even if he (beg) me I would not help him 10.what(we do) it John hadn't helped us?