It cannot be denied that crime is on the increase. It cannot be denied that he is guilty. It cannot be denied that we cannot do without the telephone in our modern life. It cannot be done within the next year or two. It cannot be explained by population composition. it can not be helped It cannot be operated on during data editing. It cannot be realized if even one of them is lacking. It cannot be recommended to many people. It cannot be true. It cannot be used after the end of next month. It cannot be used in regions of different utility frequencies.