English for Research: Usage, Style, and Grammar


caused or contributed to death in 122 of 51,645 of the patients analysed. 1 Around 10,000 people claim to see



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A.Wallwork - English for Research Usage, Style, and Grammar - 2013
caused or contributed to death in 122 of 51,645 of the patients analysed.
1 Around 10,000 people claim to see UFOs on a regular basis. Around 100,000 people claim to have
seen a UFO last year.
11.4
passive infinitive
The passive infinitive is formed by the verb to be + past participle. It is used when the verb that follows the noun is not the subject of that noun (i.e. when something else is responsible for the action.
2. In some cases both forms are possible. In the example, the normal infinitive possibly indicates that the reader is expected to do the tasks, whereas the passive leaves this more open.
NORMAL INFINITIVE
PASSIVE INFINITIVE
1 This enables us to calculate the ratio. This enabled the ratio to be calculated .
1 We still need to identify the variants that influence these traits. The variants that influence these traits still need to be identified b .
1 In order to see these readings, we shifted the corresponding points horizontally and connected by straight lines. To enable these readings to be seen separately, the corresponding points were shifted horizontally.
1 We remained after the presentation
to see Professor Yi’s experiments. It remains to be seen whether the government will actually implement this policy.
2 Below is a list of tasks to do next week. Below is a list of tasks to be done next week.


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11.6
gerund (−ing form usage
The gerund (also known as the -ing form) is formed by adding -ing to the bare infinitive form (e.g. study + ing = studying ). The negative is formed by putting not in front (e.g. not studying, not working ). Use the gerund. When the verb is the subject of the sentence.
2. After a preposition, adverb or conjunction.
3. Do not use the gerund when you are talking about an aim, objective or target. Instead, use the infinitive.

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