# PRESENTATION --- ## THAT - **Subject** includes ***both human and things*** - In ***superior comparison** sentence - There are **time-adv** ### REDUCTION Only reduced if it is **Subject** - $V_3$ -> Passive - $V_{ing}$ -> Proactive - $to \ V$ -> After an article **Eg:** "*The book I wanted to buy was sold out*" --- ## EXTRA INFORMATION CLAUSE **Defining clause**: Provide **crucial** information When it is removed, you are dead **Non-defining clause:** Provide **additional** information When it is removed, nothing happens **NOTE:** We can use **whose**, **where** in both --- ## DEFINING CLAUSE - Can use **that** - Be able to leave out **Relative pronouns** (when it is obj) - Cannot use **whom** ## NON-DEFINING CLAUSE - 🚫 **that** - 🚫 leave out **RP**s - Can use **whom** (when it is obj) --- # EXEPTIONS **Which** (not ***what***): the fact that bla bla