Have a go at a selection of the following activities, you could focus on areas you would like to feel more confident in to prepare for Year 5 and/or have a go at the revision booklet which covers a little bit of everything. 

BBC Lessons:

Fronted Adverbials and Adverbs

https://www.bbc.co.uk/bitesize/articles/zvrbp4j

Coordinating and Subordinating Conjunctions
https://www.bbc.co.uk/bitesize/articles/zrn796f

Using a Thesaurus and Finding Synonyms

https://www.bbc.co.uk/bitesize/articles/zk23c7h

https://www.bbc.co.uk/bitesize/articles/zf96ncw

Using Apostrophes to Show Possession

https://www.bbc.co.uk/bitesize/articles/zmt2mfr

Using Inverted Commas for Speech

https://www.bbc.co.uk/bitesize/articles/zbvd7sg