Sentence Structure

Which is a simple sentence?

• AThe cat sat and the dog played.
• BThe cat sat on the mat.✓
• CWhen the cat arrived, the dog barked.
• DThe cat sat, but the dog played.

Answer: A simple sentence has one main clause with a subject and verb. 'The cat sat on the mat' is simple.

Which is a compound sentence?

• AThe children played games.
• BBecause it rained, the match was cancelled.
• CShe read the book and enjoyed it.✓
• DThe team that won the match celebrated.

Answer: A compound sentence joins two independent clauses with a co-ordinating conjunction. 'And' joins the two clauses here.

Identify the complex sentence:

• AI like red apples.
• BI like red apples and green grapes.
• CI like apples because they are sweet.✓
• DI like apples.

Answer: A complex sentence has a main clause and a subordinate clause. 'Because they are sweet' is subordinate.

What type of sentence is this? 'Although she was tired, she finished her work.'

• ASimple
• BCompound
• CComplex✓
• DCompound-complex

Answer: This is a complex sentence. 'Although she was tired' is a subordinate clause; 'she finished her work' is the main clause.

Combine these sentences: 'It was raining. We went outside.'

• AIt was raining we went outside.
• BAlthough it was raining, we went outside.✓
• CIt was raining and outside.
• DIt was raining outside.

Answer: Using a subordinating conjunction like 'although' creates a complex sentence showing the relationship between the ideas.

Which sentence structure is correct? 'The teacher explained the lesson and the students listened carefully.'

• ASimple
• BCompound✓
• CComplex
• DFragment

Answer: This is compound. Two independent clauses are joined by 'and'.

Identify the error in: 'Because the match was cancelled. The team stayed home.'

• AIt should be two sentences
• BIt should have a comma, not a period✓
• CIt should be a simple sentence
• D'Because' should be removed

Answer: This is a sentence fragment. 'Because the match was cancelled' is a subordinate clause and needs a main clause.

Which combines the sentences best? 'The dog barked. The cat hissed.'

• AThe dog barked and the cat hissed.✓
• BThe dog barked. The cat hissed.
• CThe dog barked because the cat hissed.
• DThe dog barked but the cat hissed.

Answer: 'And' correctly joins two equal actions. 'Because' suggests cause, 'but' suggests contrast - neither fits.

What is the main clause in: 'When the sun set, the stars appeared.'

• AWhen the sun set
• BThe stars appeared✓
• CWhen the sun
• Dsun set, the stars

Answer: 'The stars appeared' is the main clause. 'When the sun set' is the subordinate clause.

Identify the sentence type: 'The children ran to school, but they were still late.'

• ASimple
• BCompound✓
• CComplex
• DFragment

Answer: This is compound - two equal clauses joined by 'but'.

Which is a complex sentence?

• AThe cat slept.
• BThe cat slept and the dog played.
• CThe cat slept while the dog played.✓
• DThe cat and the dog slept.

Answer: 'While' is a subordinating conjunction joining a main clause and a subordinate clause.

Fix this sentence fragment: 'If the weather is nice tomorrow.'

• AIf the weather is nice tomorrow.
• BIf the weather is nice tomorrow, we will go to the park.✓
• CIf the weather is nice. Tomorrow we go.
• DThe weather is nice tomorrow.

Answer: A subordinate clause needs a main clause to be complete. Adding 'we will go to the park' completes the sentence.