Adhara's Prezi presentation

Here you can find Adhara's Prezi presentation.

Subjunctive

A webpage on the use of subjunctive is hereby made available.
 
Here you can find more information with exercises on the subjunctive and unreal uses past forms.  Here is the key for the exercises. 

American vs. British English

Here you can find a list of the main differences between American and British English. (Source: English Grammar in Use: Intermediate by Raymond Murphy)

Subject-Verb agreement

You can find a document on subject-verb agreement with exercises here.  The key for the exercises is available here.

Another document  is hereby available.