Sentence Transformation

Reported speech

http://www.autoenglish.org/FCEUse/ReportedSpeechTransformations.htm

Passive voice

http://www.flo-joe.co.uk/fce/students/strategy/transfrm/passive2.htm

Third conditional

http://www.autoenglish.org/tenses/thirdconditional.htm

Phrasal verbs

http://www.autoenglish.org/FCEUse/PhrasalVerbTransformations.htm