OG10语法268题及GWD22语法总结三十八
37. While some academicians believe that business ethics should be integrated into every business course, others say that students will take ethics seriously only if it would be taught as a separately required course.
A. only if it would be taught as a separately required course
B. only if it is taught as a separate, required course
C. if it is taught only as a course required separately
D. if it was taught only as a separate and required course
E. if it would only be taught as a required course, separately
1.句子逻辑意思（一级拂拭C，D, E )
Only if不能变成 If + .. + Only夸张的意思不一样
only in C, D, and E should immediately precede the entire clause that it is meant to modify.
Only if只要才
2.假造语气 (二级拂拭A )
in sentences expressing a conditional result (x will happen if y happens), the verb of the main clause should be in the future tense and the verb of the if clause should be in the present indicative. x will happen if y happens前提状语从句的时态一定如果主句的一级过往式。即通俗将来时 if通俗现在时；通俗现在时 if普经由历程往式；
3.润色：
Also, the intended meaning is distorted when the adverb separately is used to modify required, as in A and C, or taught, as in E; B correctly uses the adjective separate to modify course.
了解所要表达的原始的意思（separately的润色错误。）
adv. + adj.+ n . adv.润色 adj.默示 adj.发作的状况； adj. , adj. + n. adj.润色 n. ==》根据逻辑意思决议是那种形式。
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