Which of the following is a key feature of a virtual语气 in English grammar?
答案解析
The question focuses on the function of the subjunctive mood in English. Option A is correct because the subjunctive mood is often used to express wishes, possibilities, or hypothetical situations. Option B is incorrect because commands are typically given in the imperative mood. Option C is incorrect because the past tense is used for reporting past events, not the subjunctive mood. Option D is incorrect because the subjunctive mood is not limited to subordinate clauses.
正确答案:A