ЕСЛИ НЕ ПРАВИЛЬНО ТО БАН ЗА

1) but for the logical structure of the paper (but if it hadn't been for the logical structure of the paper), the lecturer would have failed to convey the main ideas of it to the audience. илиthe main ideas of it wouldn't have been conveyed to the audience.  (не знаю какой вам нужно залог употреблять! написала и в действительном и в страдательном. сам выбирай! ) 2) but for the lack of time (but if it had not been for the lack of time), the paper would have been translated into two working languages of the conference или they would have   translated the paper into two working languages of the conference. 3) but for your recommendation (but if it hadn't been for your recommendation), i wouldn't have known how to deliver the paper properly или the paper wouldn't have been delivered properly. 4) but for his carelessness (but if it hadn't been for his carelessness), the application form wouldn't have been lost или he would  not  have lost  the application form. 5) but for sponsors (but if it hadn't been for sponsors), we would have failed to pay for the computer facilities или  the computer facilities wouldn't have been paid for. 6) but for shortage of funds (but if it hadn't been for shortage of funds), the conference would have been called twice a year или they  would have  called the conference twice a year. 7) but for the efficient work of the editorial committee (but if it hadn't been for the efficient work of the editorial committee), the abstracts of papers wouldn't have been published in time.илиthey would have failed to publish the abstracts of papers in time.   8) but for the taxi (but if it hadn't been for the taxi), i would have been late for the opening ceremony of the conference.