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

Contrastive  (rather, on the contrary)

136d

Contrastive linking adjuncts indicate a contrast between the information in the

first text segment and that in the second. These include:

Single-word

We’ll have to invite him. 

Otherwise, he’ll be offended.

Phrasal/clausal

(* particularly frequent in informal spoken contexts)

Few countries have satisfactory legislation on pesticides or the trained

manpower to enforce it. 

In contrast, extensive use of pesticides in Europe,

North America and Japan is backed by government legislation or voluntary

schemes that provide farmers with detailed advice.

in/by comparison

in/by contrast

more accurately/more

precisely

on the contrary

on the other hand

then again*

alternatively

instead

otherwise

rather 

as a consequence

as a result

of course

accordingly

consequently

hence

so

then

therefore

thus

258 | Grammar across turns and sentences

Cambridge Grammar of English

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We’ve got computer facilities in the student union. And we’ve hopefully got

some people from the Computer Centre who might be able to help a bit. But

then again if you’re interested in computers it’s very easy to learn quickly by

yourself.