Cambridge Grammar of English Hardback with cd-rom a comprehensive Guide

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539 Glossary for any unfamiliar terms

Grammar and academic English | 273

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obtain the limiting behavior of the least absolute deviation estimator and the

trimmed mean estimator of the parameters of the nonlinear regression model.

Reporting significant aspects of people’s work

The present simple form is often used to report major tenets or central aspects of

the work of other academics, especially where such work is considered important

or relevant to the present context:

As Wittgenstein 

suggests, there is no such thing as a private language.

[lecture on text linguistics]

Halliday 

argues that there are three basic transitivity choices. Okay. And he

calls them process options. 

However, where the citation reports experiments and specific studies, the past

simple is preferred.

Unlike previous work, our study personally 

followed subjects rather than

relying on record linkage methods to obtain information on death. In addition,

we 

examined mortality differences for men and women at several points from

the beginning of the illness and over its course.