English molecules, please quickly find the use of the subjunctive mood in several adverbial clauses,

The subjunctive mood is used to denote the speaker's subjective desire or assumption, not the fact that objectively exists, what is said is a condition, not necessarily a fact, or the opposite of a fact. The subjunctive mood is represented by a special form of a predicate verb. Tone in English is divided into three categories: declarative tone, imperative tone, and subjunctive mood.

1. Tense a, conditional adverbial clauses guided by if are usually in the simple future tense and the clause in the simple present tense. b, and in the subjunctive mood, there are many tenses, which are often judged according to the meaning of the sentence, whether it is the opposite of the present, past, or future facts.

2. True and non-true A, the conditional adverbial clause guided by if is generally true, as long as the so-called condition is true, it will definitely become a fact B, but the subjunctive mood is not, if, since it is virtual, it must be unreal, and it can be judged according to the meaning of the sentence.

In the conditional adverbial clause guided by if, the position of if and conditional clause is flexible, which can be directly placed after the main clause, if the conditional sentence is placed at the beginning of the sentence, a comma should be added after the clause, and the principle of consistency before and after the clause should be noted.

In the subjunctive mood, the adverbial clause guided by if is in the simple present tense, and the subject is in the simple future tense.

it is time (that) …The predicate verb in the definite clause in the sentence pattern is often used to indicate the future in the subjunctive voice, and the verb form is in the past tense of the verb: meaning"It's time to do something, it's getting late"Such as:

it is time we left.It's time for us to go.

it is time we went to bed.It's time for us to go to bed :

it is time we summed up our results.It's time to take stock of our achievements.

The subjunctive mood is used in simple sentences.

Here are two of the more common situations in which the subjunctive mood is used in simple sentences, both of which express wishes. Such as:

1) The verb primitive form 1ive is used in long live....Middle. Such as:

long live the communist party of china!Long live the Communist Party of China!

long live the people!Long live the people !

1ive is also a verb form of the subjunctive mood here, and cannot be changed to lives).

2) May is used at the beginning of a sentence (mostly used in formal style) such as:

may good luck be yours.Good luck.

may you do even better!I wish you great achievements!