“Will the cottage be cold?”“Yes, make sure ____ the heater.”
A. you light B. lighting C. you'll light D. for lighting(TOEFL)
《TOEFL, GRE 解题词典》(译林出版社, p.600) 在解此题时说: “make sure 后接的 that 从句中, 谓语用 (should) + 原形动词。” 这种解释对吗?
make sure后接的that从句并不需要用现在时虚拟式(be)或should + 动词原形。此题之所以应当选A(you light)，是因为make sure后接的that从句应当用一般现在时来表示将来时间，如同在when从句和if从句中那样。因此之故，应排除选C(you'll light)的可能性。请看下面的证明例句：
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Make sure (that) they do not escape. (NAECD) 要确保不要让他们逃跑。
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I will make sure that the letter leaves tonight. (Freeman) 我保证今晚把信邮走。
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Make sure that you haven't forgotten to pack everything you're likely to need. (Palmer) 要确保不要忘记将所有你可能需要的东西打进包里。
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Father makes sure that all the lights are off before he goes to bed. (DAI) 父亲确保在他上床睡觉前所有的灯都已灭了。
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We must make sure that the blade of the saw is sharp. 我们必须确保锯刃锋利。
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His job is to make sure that the structures are sound. 他的工作就是确保这些结构完全可靠。