Sentence Structure Simple Compound Complex Sentences Grade7 Topic Assessment Mixed Grade 6 Assessment

True or False: The sentence 'The quick, brown fox jumps over the lazy dog' is a simple sentence.

• True

• False

Answer explanation

This is a simple sentence because it contains only one independent clause (one subject-verb pair: 'fox jumps') and expresses a single complete thought. The adjectives and prepositional phrase do not create additional clauses.

Complete the simple sentence that can be extracted from the following complex sentence: 'Although the sun was shining, the air felt chilly.' The simple sentence is: 'The air ___ chilly.'

• felt

• was feeling

• although it felt

• shining and felt

Answer explanation

A simple sentence has one subject ('air') and one predicate ('felt chilly'). 'felt' completes the predicate. The other options either create a fragment, are grammatically incorrect, or incorrectly include parts of the dependent clause.

Which of the following sentences is NOT a simple sentence?

• My little brother and his best friend built a huge fort in the living room.

• After the rain stopped, we went outside to play.

• The soccer team practiced for two hours in the hot sun.

• Did you finish your science project and your math homework?

Answer explanation

This is a complex sentence because it contains a dependent clause ('After the rain stopped') and an independent clause ('we went outside to play'). The other options each contain only one independent clause, even with compound subjects or predicates.

Complete the sentence with the coordinating conjunction that best connects the two ideas: I wanted to go to the concert, ___ I didn't have enough money.

• so

• for

• but

• or

Answer explanation

The coordinating conjunction 'but' is used to show a contrast between two ideas. 'So' indicates a result, 'for' a reason, and 'or' a choice, none of which fit the sentence's contrasting logic.

Which sentence incorrectly uses punctuation to form a compound sentence?

• The movie was long, but it was very exciting.

• I have a test tomorrow so I need to study tonight.

• We can go to the park, or we can stay home and watch a movie.

• He was tired, so he went to bed early.

Answer explanation

This sentence is incorrect because it is missing a comma before the coordinating conjunction 'so.' When joining two independent clauses with a FANBOYS conjunction (for, and, nor, but, or, yet, so), a comma must be placed before the conjunction.

Correctly combine the two simple sentences into one compound sentence: 'Maria loves to bake cakes. Her brother enjoys decorating them.' Complete the new sentence: Maria loves to bake cakes, ___ her brother enjoys decorating them.

• and

• while

• because

• so

Answer explanation

The coordinating conjunction 'and' is used to join two closely related ideas. Since decorating cakes is an addition to the idea of baking them, 'and' is the best choice. 'While' would create a complex sentence, and 'because' and 'so' suggest a cause-and-effect relationship that doesn't exist here.

True or False: The sentence 'I went to the store, and I bought some milk' is a compound sentence.

• True

• False

Answer explanation

This is a compound sentence because it consists of two independent clauses ('I went to the store' and 'I bought some milk') joined by a comma and the coordinating conjunction 'and'.

In the sentence 'Because it was snowing heavily, the school buses were running late,' which part is the subordinate (dependent) clause?

• the school buses were running late

• Because it was snowing heavily

• it was snowing heavily

• were running late

Answer explanation

A subordinate clause starts with a subordinating conjunction (like 'Because'), contains a subject and verb, but cannot stand alone as a complete sentence. 'The school buses were running late' is the independent clause.

Choose the subordinating conjunction that best shows the cause-and-effect relationship in this sentence: We had to cancel the picnic ___ it started to rain.

• although

• unless

• because

• while

Answer explanation

The conjunction 'because' correctly shows that the rain was the cause for canceling the picnic. The other conjunctions show contrast ('although'), condition ('unless'), or simultaneous time ('while').

True or False: The following group of words is a complete sentence: 'While I was waiting for the bus.'

• True

• False

Answer explanation

This is a sentence fragment. It is a dependent clause that begins with a subordinating conjunction ('While') and does not express a complete thought on its own; it leaves the reader wondering what happened.