怎么用英语解释虚拟语气啊，谢谢各位了！

No. 1:
In grammar, the subjunctive mood (sometimes referred to as the conjunctive mood) is a verb mood that exists in many languages. It typically expresses wishes, commands (in subordinate clauses), emotion, possibility, judgement, necessity.
No. 2:
A verb is in the subjunctive mood when it expresses a condition which is doubtful or not factual. It is most often found in a clause beginning with the word if. It is also found in clauses following a verb that expresses a doubt, a wish, regret, request, demand, or proposal.

These are verbs typically followed by clauses that take the subjunctive:

ask, demand, determine, insist, move, order, pray, prefer, recommend, regret, request, require, suggest, and wish.
In English there is no difference between the subjunctive and normal, or indicative, form of the verb except for the present tense third person singular and for the verb to be.

The subjunctive for the present tense third pers