Conversation Exchange

Here you can have access to the Conversation Exchange website.

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. 

Gerund vs. infinitive

Numerous exercises on gerund vs. infinitive along with their key are hereby made available for you to have access at your convenience.  You can also find the list of verbs used with gerund and/or infinitive here.
Here you can find more information and exercises on the same topic.

Relative, -ed and -ing clauses

Here you can find some exercises on relative, -ed and -ing clauses along with the key.

Prezi

Here is the link for Prezi, an online tool for presentations.  You will have to create an account if you want to use it. 

More tips on PowerPoint presentations

Here you can find list of do's and dont's for PowerPoint presentations.

The dont's for PowerPoint

Here you can find Don McMillan's standup on the dont's of a PowerPoint presentation.