1. A connecting adverb acts as an equivalent conjunction, connecting two sentences or clauses, such as:

However, so, so, therefore.

2. Connective adverbs are usually located at the beginning of clauses, and some can also be located in sentences.

They talked for hours. Finally, they decided to go.

They discussed for hours and finally decided to go.

Finally, as a connecting adverb, it is placed at the beginning of the sentence.

I have never been to Wales. So I don't know much about it.

I haven't been to Wales, so I don't know much about it.

As a connecting adverb, there is located in the sentence.

3. Some connecting adverbs have the same or similar meanings, so they can be substituted for each other without changing the meaning of the original sentence.

It's very cold. Therefore, we stayed at home.

It was cold, so we stayed at home.

There and there have similar meanings, so they can also be substituted for each other.

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In high school, we can think and understand like this.

The so-called connective pronouns and adverbs are actually interrogative pronouns and adverbs we have learned before, such as who, who, what, which, when, where, why, how and phrases composed of how. However, we must pay attention to two points. First, when a question is formed, it is called a question word, and when an object clause is guided, it is called a guide word. First of all, unlike this, they are meaningful in clauses and serve as related sentence components, so they cannot be omitted. In addition, they must be placed in front of the object clause, which must be a declarative sentence structure.

Connectives that lead to noun clauses can be divided into three categories:

Conjunction: that, where, if is not used as any part of the clause)

Connective pronouns: what, what, who, who, who,

Whose which?

Connective adverbs: when, where, how and why

An unsolvable conjunction:

The conjunction after 1. preposition

2. The conjunctions leading the subject clause and appositive clause cannot be omitted.

She was chosen to make us very happy.

We heard the news that our team won.

Comparison: mean and if both mean "whether". However, when cannot be replaced by if in the following cases:

1. Whether to guide the subject clause and start the sentence.

2. Guide predicative clauses

3.Where clause as prepositional object

There is "or not" after the clause.

It is not clear whether he will come.

Most subject clauses guided by conjunctions can be placed at the end of the sentence, with it as the formal subject.

It doesn't matter who goes.

It is not known which team will win the game.

relative adverb

relative adverb

1. Relative adverbs have both adverbs and conjunctions.

2. Adjective clauses guided by relative adverbs are used to modify nouns or pronouns in the main clause. The modified words are called antecedents, and the relative adverbs should be placed after the antecedents.

There are four relative adverbs, namely, when, where, why and how. In addition, the can also be used as a relative adverb to guide adverb clauses.

4. Relative adverb = preposition+relative pronoun.

For example: where = in which, when = on which, why = for which.

These relative adverbs are adverbials in clauses.

Can you tell me the way to the zoo?

Can you tell me the way to the zoo?

Way is antecedent.

This is the place where I first met her.

This is the place where I first met her.

In spoken English, that can replace when, why and how as relative adverbs, and only when the antecedent is place can it replace where.

When should we start work?

The sooner you start, the better.

When should we start work? The sooner the better.

Relative adverbs are leading adverb clauses, and the sentence structure is generally:+comparative ... +the+ comparative ..., and the first the is relative adverbs.

4. Time, date, year, place, house, reason, method, etc. You can omit being the antecedent, and the following clause will no longer be an adjective clause, but a noun clause or an adverb clause.

L 1: This is the place where he was born.

This is the place where he was born.

The place where he was born is a noun clause.

This is the place where he was born.

The place where he was born is an adjective clause.

L 1: I will meet her where I first met her.

I will meet her where I first met her.

The place where I first met her was an adjective clause.

I will meet her where I first met her.

The place where I first met her was an adverb clause.

5. The usage of relative adverbs is limited, that is to say, adjective clauses guided by relative adverbs only modify antecedents.

Those days when we were studying at school were very happy.

Our days at school were very happy.

6. Relative adverbs have supplementary usage, that is, relative adverbs guide equivalent clauses rather than adjective clauses, which are mainly used to supplement the deficiencies in the main clause and should be separated from the main clause by commas.

Tom got married the day before yesterday, which was also his birthday.

Tom got married the day before yesterday, which was also his birthday.

7.Where ever, where never and how ever are compound adverbs, which mean "no matter", guide adverb clauses, modify verbs in the main clause, and can emphasize tone or express concessions.

See relational adjectives.

Wherever he goes, he will take an umbrella.

Wherever he goes, he takes an umbrella with him.