Answer

Function	Reporting Verbs
Neutral meaning	note    discuss    study    describe
An author’s position on an issue (agreement/disagreement)	argue    assert    doubt    refute    support    emphasise recommend    suggest    challenge    maintain    reject
An author’s thoughts	consider    think    recognise    comment    assume    believe
Show author is presenting something	show    illustrate    explain    indicate    demonstrate
Show author is proving something	establish    validate    confirm    verify    reason    estimate
An author’s action	examine    observe    analyse    find    investigate