* We use should and shouldn't to make suggestions and give advice : - You should send an email . - You shouldn't go by train . * we also use could to make possitive suggestions: - We could meet at the weekend . - You could eat out tonight. Excersise : with should . 1.- You .............. drink some water. 2.- You shouldn't be late for school. 3.- You .............. buy a coat . 4.- You shouldn't eat too much . 5.- You ............... drive too fast . 6.- You ............ do more exercise. 7.- You................ smoke. Excercises : With Could . 1.- Could you close the window , please? 2.-............. open the door I forget my keys ,please? 3.-............turn off the computer , please? 4.-............you make the dinner , please? 5.-............you buy the bread , please ? 6.- ..........you take a walk with the dog , please ? 7............. you lend me that book , please? 8. ........... you turn the music down , please