Sometimes it is possible to combine two sentences by converting one of them into a modifier using the -ing verb form—singing, dancing, swimming. A modifier is a word or phrase that qualifies the meaning of another element in the sentence. Read the following example:
Original sentences: Steve checked the computer system. He discovered a virus.
Revised sentence: Checking the computer system, Steve discovered a virus.
To connect two sentences using an -ing modifier, add -ing to one of the verbs in the sentences (checking) and delete the subject (Steve). Use a comma to separate the modifier from the subject of the sentence. It is important to make sure that the main idea in your revised sentence is contained in the main clause, not in the modifier. In this example, the main idea is that Steve discovered a virus, not that he checked the computer system.
In the following example, an -ing modifier indicates that two actions are occurring at the same time:
- Noticing the police car, she shifted gears and slowed down.
- Barking loudly, the dog ran across the driveway.
You can add an -ing modifier to the beginning or the end of a sentence, depending on which fits best.
Beginning: Conducting a survey among her friends, Amanda found that few were happy in their jobs.
End: Maria filed the final report, meeting her deadline.
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