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Among ESL teachers, the debate rages on about whether students should ever see errors in grammar. But many teachers have recognized the fact that students do see errors all the time, not only in the distractors that are used on standard¬ized tests like the TOEFL and teacher-made tests like the multiple-choice midterms in their grammar classes, but also in their own writing. | PATTERNS PROBLEM 35 157 Incorrect Customs differ one region of the country to another. Correct Customs differ from one region of the country to another. or Customs are different from one region of the country to another. Exercises Part A Choose the correct answer. Modern blimps like the famous Goodyear blimps the first ones in that they are filled with helium instead of hydrogen. A differ from B different from C is different from D different Part B Choose the incorrect word or phrase and correct it. Crocodiles different from alligators in that they have pointed snouts and long lower teeth that stick A B C out when their mouths are closed. D Comparative Estimates Multiple Numbers Remember that the following are examples of multiple numbers half twice three times four times five times ten times multiple as much many as Fresh fruit costs twice as much as canned fruit We have half as many as we need Avoid using so instead of as after a multiple. Avoid using more than instead of as much as or as many as. Avoid using the multiple after as much and as many. Examples Incorrect This one is prettier but it costs twice more than the other one. Correct This one is prettier but it costs twice as much as the other one. Incorrect The rent at College Apartments is only half so much as you pay here. Correct The rent at College Apartments is only half as much as you pay here. 158 REVIEW OF STRUCTURE Incorrect Bob found a job that paid as much twice as he made working at the library. Correct Bob found a job that paid twice as much as he made working at the library. Incorrect The price was very reasonable I would gladly have paid three times more than he asked. Correct The price was very reasonable I would gladly have paid three times as much as he asked. Incorrect We didn t buy the car because they wanted as much twice as it was worth. Correct We didn t buy the car because they wanted twice as much as it was worth. Exercises Part A Choose the correct answer. After the purchase of the