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Grammar and StructureGRAMMAR & STRUCTURE — Exercises
Complex Sentences

 
 

Answer the following questions to check your knowledge of complex sentences.

Example

Which sentence is a complex sentence?
The weather is cloudy and wet, so I don't want to go outside.
I don't want to go outside because it is cloudy and wet.
The weather is cloudy and wet. I don't want to go outside.

The correct answer is "I don't want to go outside because it is cloudy and wet."


1.

Which sentence is a correct complex sentence?

  The very experienced dentist performed the root canal.
  The dentist who performed the root canal is very experienced.
  The doctor performed the root canal; she is very experienced.
     
2.

Which sentence is a correct complex sentence?

  After the old woman broke her hip, she moved into an apartment.
  The old woman broke her hip and moved into an apartment.
  The old woman broke her hip, moved into an apartment, and sold her car.
     
3.

Which sentence is a correct complex sentence?

  The children had finished their chores; therefore, they were free to go to the beach.
  Because the children had finished their chores, they were free to go to the beach.
  The children finished their chores and went to the beach.
     
4.

Which sentence has the correct subject-verb agreement?

  That company, which already has stores in many different locations, are expanding again.
  That company, which already has stores in many different locations, is expanding again.
     
5.

Which sentence has the correct subject-verb agreement?

  Sarah, one of the practicum students, enjoy all the new things that she can experience by working with her practicum supervisor.
  Sarah, one of the practicum students, enjoys all the new things that she can experience by working with her practicum supervisor.
     
6.

Which sentence has the correct verb tenses?

  Susan started to swim across the quiet lake when suddenly a speed boat appears speeding towards her.
  Susan started to swim across the quiet lake when suddenly a speed boat appeared speeding towards her.
     
7.

Which sentence has the correct verb tenses?

  Ali looked everywhere for a wedding dress until she finally found one just three days before her wedding.
  Ali looked everywhere for a wedding dress until she finally finds one just three days before her wedding.
     
8.

Which sentence has the correct verb tenses?

  Even though David met Holly only five months ago, he already wants to change partners again.
  Even though David met Holly only five months ago, he already wanted to change partners again.
     
9.

Which sentence has the correct punctuation?

  If you want to pass your driving test you will have to spend many hours practising.
  If you want to pass your driving test, you will have to spend many hours practising.
     
10.

Which sentence has the correct punctuation?

  We can't go to the beach until Tim arrives.
  We can't go to the beach, until Tim arrives