时间:After i finish my homework ,I will play game with you
地点:you should have put the book where you found it
原因:i didnt come to work because i was ill
目的:He looked down so that she could not see his eyes
条件:If plastics are burned , they give off poisonous gases.
结果:Ididnt sleep well last night,so i feel sleepy this morning.
比较:You look younger than you are.
让步:Although he studied hard,he didnt pass the examination.
方式:You must try to hold the tool as i do.