Compound-Complex Sentences

Which sentence correctly uses commas in a compound-complex sentence about a school project?

• The project was due, but we finished it early and, our teacher was impressed.

• While we worked late, we managed to finish on time, and everyone was happy.

• We stayed up all night, because it was due, and we had to finish it on time.

• Although we were tired we completed the project, and it was well-received.

Answer explanation

This sentence uses commas correctly to separate the dependent clause and join the two independent clauses.

True or False: A compound-complex sentence can contain two or more independent clauses and at least one dependent clause.

• True

• False

Answer explanation

Compound-complex sentences integrate elements from both compound and complex sentence structures.

Complete the sentence: If the players win the match, _____ will celebrate together, and the coach will be proud.

• they

• it

• he

• she

Answer explanation

'They' is the correct pronoun to refer to 'the players' collectively.

Choose the sentence that correctly uses commas in a discussion about vacation plans:

• We planned to go hiking but it rained, and we decided to stay inside.

• Although it was raining, we planned to hike, and we took our raincoats.

• The weather was bad so we stayed inside, and played games.

• Because it rained we stayed in, but we still had fun.

Answer explanation

This sentence correctly uses commas to separate the dependent clause from the independent ones.

True or False: In a compound-complex sentence, the independent clauses must be connected by conjunctions.

• True

• False

Answer explanation

Conjunctions connect the independent clauses in compound-complex sentences.

Which verb best completes this sentence about a historical event: After the treaty was signed, the nations _____ peace, and the citizens celebrated.

• declares

• declared

• declaring

• declare

Answer explanation

'Declared' is the past tense fitting the historical context of the sentence.

Identify the correct placement of commas in this sentence about a science experiment: When the liquid boils the solution changes color and the reaction is complete.

• When the liquid boils, the solution changes color, and the reaction is complete.

• When the liquid boils, the solution changes color and, the reaction is complete.

• When the liquid boils the solution, changes color and the reaction is complete.

• When the liquid boils the solution changes, color and the reaction is complete.

Answer explanation

Commas are used to separate the dependent clause from the main clauses and to join the two independent clauses.

True or False: A compound-complex sentence may begin with an independent clause followed by a dependent clause.

• True

• False

Answer explanation

Compound-complex sentences can begin with either a dependent or independent clause.

Which of the following sentences is a compound-complex sentence about a concert?

• We enjoyed the concert, and we stayed until the very end.

• After the concert ended, we went for dinner, and we discussed the performance.

• We went to the concert and then had dinner.

• The concert was long, but we stayed until the end.

Answer explanation

This sentence includes two independent clauses and one dependent clause.

Complete the sentence about a family outing: We will go to the zoo if the weather is pleasant, _____ we will visit the aquarium instead.

• or

• but

• and

• so

Answer explanation

'Or' is the correct conjunction to present the alternative between two independent clauses.