Grammar Resources
Gerunds & Infinitives Tutorial
http://www.englishpage.com/gerunds/
Tutorial on when to use a gerund and when to use an infinitive while speaking (e.g., ‘He tried calling the restaurant’ vs. ‘He tried to call the restaurant.’). Includes a list of verbs whose meaning changes depending on which structure is used.
UNC Guide to Article Use
http://writingcenter.unc.edu/handouts/articles/
The best online guide to article use I’ve ever found, put together by UNC Chapel Hill’s Writing Lab. Includes a flow chart to help you determine whether an article – and which one – is necessary.
Reporting Verbs
https://www.gallaudet.edu/tutorial-and-instructional-programs/english-center/the-process-and-type-of-writing/words-that-introduce-quotes-or-paraphrases
A simple collection of common academic reporting verbs in context.
Modal Verb Tutorial
http://www.englishpage.com/modals/modalintro.html
Provides information on how to use the different modal verbs in English, including variations in meaning based on tense. Also contains several quizzes to help test your understanding.