英文课: Turn/Switch + Open/Close On/Off Some things that can be "Switched on" or "Turned on": TV, radio, air conditioner, computer, phone, water heater, stove, oven, fan Some things that can be "Opened" and "Closed": door, window, cabinet, closet [Please] Turn the TV on. (Correct) On the TV. (Incorrect - no verb) Open the TV. (Incorrect - wrong verb. Turn on the air conditioner. (Correct) Turn the air conditioner on. (Also correct) On the air conditioner. (Incorrect - no verb) Turn the air conditioner open. (Incorrect - wrong verb. On the window. (Incorrect - wrong verb/no verb) Close the window. (Correct) Off the window. (Incorrect, wrong verb) Homework: Write one sentence each for the following words, and use their correct verb with them. You may write either positive or negative (open/close, on/off) Example: Fan Please turn the fan off. / Please turn off the fan. / Please turn the fan on. / Please turn on the fan. (One answer is enough) Laptop, heater, stove, cabinet, iron, washing machine, door Submit your answers as a comment :)