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Grade 7 English · Unit 2: Sentences and Style

Simple, Compound, Complex and Compound-complex

Identify and use all four sentence structures for effect.

A simple sentence has one main clause: “The puppy slept.” A compound sentence joins two main clauses with a coordinating conjunction: “We lost, but we had fun.” A complex sentence has a main clause and at least one subordinate clause: “When the rain stopped, we went outside.”

A compound-complex sentence has at least two main clauses and one subordinate clause: “When the alarm rang, Jo woke up, but Ali kept sleeping.”

Writers vary their sentences for effect. A short simple sentence can create shock; a long complex sentence can build detail. Minor sentences such as “Silence.” can be used deliberately in fiction.

Worked example

Identify the structure: “Although the forecast was bad, the climbers set off, and they reached the summit.”

  1. Main clauses: the climbers set off; they reached the summit.
  2. Subordinate clause: although the forecast was bad.

Answer:compound-complex

Key words

main clause
a clause that can stand alone
subordinate clause
a clause that depends on a main clause
minor sentence
a sentence without a main verb, used for effect
Practise this

New questions every time.

Common Core-referenced: L.7.1b