Synthesis of Sentences - two or more simple sentences into one new complex sentence

 

Great — now let’s look at how two or more simple sentences can be synthesized into one new complex sentence.

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🔹 What is a Complex Sentence?

A complex sentence is formed when one independent clause (a complete sentence) is joined with one or more dependent clauses (incomplete sentences that rely on the main clause).
We usually use subordinating conjunctions like: because, although, since, when, if, unless, while, after, before, etc.

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🔹 Examples of Synthesis

1. Using because

• Simple sentences:
  • She stayed home.
  • She was feeling sick.
• Complex sentence:
  She stayed home because she was feeling sick.

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2. Using although

• Simple sentences:
  • He tried hard.
  • He could not solve the problem.
• Complex sentence:
  Although he tried hard, he could not solve the problem.

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3. Using when

• Simple sentences:
  • The bell rang.
  • The students left the classroom.
• Complex sentence:
  The students left the classroom when the bell rang.

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4. Using since

• Simple sentences:
  • I respect her.
  • She is very honest.
• Complex sentence:
  I respect her since she is very honest.

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5. Using if

• Simple sentences:
  • You work hard.
  • You will succeed.
• Complex sentence:
  You will succeed if you work hard.

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🔹 Example with Three Sentences

• Simple sentences:
  • The sun set.
  • The sky turned orange.
  • The stars began to appear.
• Complex sentence:
  The sky turned orange as the sun set, and the stars began to appear when night fell.

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👉 Compound sentences join ideas with equal weight, while complex sentences show cause, condition, time, or contrast between ideas.

Would you like me to also show you a step-by-step method for turning any set of simple sentences into a complex sentence, so you can practice it yourself?

Excellent — let’s build a step‑by‑step method for turning any set of simple sentences into a complex sentence.

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🔹 Step‑by‑Step Method

Step 1: Identify the sentences

• Break down the simple sentences into their subjects and verbs.
• Example:
  • The rain fell.
  • The ground became wet.

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Step 2: Decide the relationship

• Ask: How are these ideas connected?
  • Cause and effect → use because, since, as
  • Contrast → use although, though, even though
  • Time → use when, after, before, while
  • Condition → use if, unless

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Step 3: Choose a subordinating conjunction

• Pick the right connector based on the relationship.
• Example: Cause and effect → because

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Step 4: Combine into one sentence

• Attach one sentence as the dependent clause to the other.
• Example:
  The ground became wet because the rain fell.

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Step 5: Adjust word order if needed

• You can place the dependent clause first or second.
• Example:
  • Because the rain fell, the ground became wet.
  • The ground became wet because the rain fell.

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🔹 Practice Examples

1. Simple sentences:

   • She was tired.
   • She continued working.
     Complex sentence:
     Although she was tired, she continued working.

2. Simple sentences:

   • I missed the bus.
   • I woke up late.
     Complex sentence:
     I missed the bus because I woke up late.

3. Simple sentences:

   • The bell rang.
   • The students stopped talking.
     Complex sentence:
     The students stopped talking when the bell rang.

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👉 A quick tip: Compound sentences show equality of ideas, while complex sentences show dependence.

Would you like me to create a mini exercise set where you try combining sentences yourself, and I’ll check your answers?