Understanding Relative Clauses and Participles

1. UNIT 11 Relative clauses with participles

2. What are relative clauses? Relative clauses are sentences with who , which , that , where , when , whom For example: Computers which are connected to a network A modem that provides access to the internet The teacher who taught us Maths

3. What are participles? Participles are verb forms usually ending in - ed or ing , and are used in some tenses or as adjectives For example: Ive already eaten Hes sleeping A computer equipped with wireless NIC A program helping you understand html

4. What are relative clauses with participles?? Sometimes in relative clauses we replace who or which with a participle . For example: Computers which are connected to a network can become: Computers connected to a network A program which helps you understand html can become: A program helping you understand html

5. Passive participles When we have a relative clause in passive voice we replace it with a passive participle (-ed) : A network printer which is connected to a print server becomes: A network printer connected to a print server

6. Active participles When we have a relative clause in the active voice , we can replace it with an active participle (- ing ): A modem which provides access the Internet becomes: A modem providing access to the Internet

7. To sum up: Active participles A LAN which links computers A LAN linking computers An ADSL packet which offers great speeds An ADSL packet offering great speeds Passive participles Computers which are equipped with wireless modems Computers equipped with wireless modems Devices that are linked by radio waves Devices linked by radio waves