Grammar Resources

Gerunds & Infinitives Tutorial  
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  
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 
A simple collection of common academic reporting verbs in context. 
Modal Verb Tutorial  
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. 

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