P U R P O S E People should have a fire extinguisher at home to put out fires Tourists should take a map with them so as not to get lost safe in office keep money and documents _ _ children toys not get bored _ _ wash hands frequently not catch infections _ _ have a balanced diet not get fat _ _ Do exercise Keep fit _ _ Study hard Pass your exams _ _ get up early not be late for school _ _ save money buy your own things _ Elderly people have a dog not feel alone _ _ use glasses see better _ _ Immediate Affirmative - TO Immediate Negative - SO AS NOT TO Relative - SO THAT Present – can /will Past - could/would EXAMPLE: Why does Peter get up so early? He gets up so early to the housework before going to his office He gets up so early so as not to be late for work He does the housework so that his wife won’t have to everything herself Why birds build nests? _ _ _ Why did you hide those chocolates? _ _ _ Why you wear slippers at home? Why did she put on such a thick coat? _ _ _ Why does she take sleeping tablets? _ _ _ Why you use sun cream? Why didn’t you tell your parents you had broken the window? Why did you carry your umbrella? Why did Sheila go camping? _ _ _ Why has John bought a van? Why have they installed a surveillance camera? Why you wear sunglasses? Why did you send her a Valentine’s card? _ _ EXERCISE ONE people should have a safe in the office to keep money and documents Children should have toys so as not to get bored You should wash your hands frequently so as not to catch infections People should have a balanced diet so as not to get fat You should exercise to get fit You should study hard to pass your exams You should get up early so as not to be late for school You should save money to buy your own things Elderly people should have a dog so as not to feel alone You should wear glasses to see better EXERCISE TWO TIPS Birds build nests to lay their eggs in Birds build nests so as not lose their eggs Birds build nests so that their chicks can have a home I hid those chocolates to eat them later I hid those chocolates so as not to be tempted to eat them I hid those chocolates so that you wouldn’t eat them I wear slippers at home to be comfortable I wear slippers at home so as not to spoil my carpet I wear slippers at home so that my feet can keep warm She put on a thick coat to be warm She put on a thick coat so as not to be cold She put on a thick coat so that her body would keep warm She takes sleeping tablets to sleep better She takes sleeping tables so as not to be awake all night She takes sleeping tables so that her insomnia disappears I didn’t tell them I had broken the window so as not to make them angry I didn’t tell them I had broken the window so that they wouldn’t punish me She carried her umbrella to protect herself from the rain She carried her umbrella so as not to get wet She carried her umbrella so that her clothes wouldn’t get wet Sheila went camping to be in contact with nature Sheila went camping so as not to spend too much money on her holiday Sheila went camping so that her children could enjoy themselves John bought a van to carry goods to the market John bought a van so as not use his car with work purposes John bought a van so that his customers could have his goods daily I use sun cream to protect my skin from the sun I use sun cream so as not to get sunburnt I use sun cream so that my skin won’t get too tanned They have installed a surveillance camera to watch for thieves They have installed a surveillance camera so as not to worry about thieves They have installed a surveillance camera so that potential thieves will know they are watched I didn’t tell them I had broken the window to escape punishment I wear sunglasses to protect my eyes from the sun I wear sunglasses so as not to be dazzled by the sun I wear sunglasses so that my eyes can be protected from the sun I sent her a Valentine’s card to let her know how much I love her I sent her a Valentine’s car so as not to have to buy a present I sent her a Valentine’s card so that she realised how much I love her