You may find this presentation helpful to understand relative clauses better

Click here to do an exercise on relativa clauses and here

Grammar unit 5 gerunds and infinitives

To practise gerunds and infinitives after certain verbs click here

Grammar unit 6

Click here to practise passives

REPORTED SPEECH

Practise here reported speech unit 3

review. units 6 and 7

In these websites you can find a great number of grammar activities
educastur Choose passive voice and reporting verbs
More passive voice (transformations)

Grammar

If you click here you will find more practise on conditionals