2 should eat more
breakfast; 3 should be more relaxed; 4 shouldn`t go this evening; 5 shouldn`t
go to school; 6 should be more polite
2 Have you ever tried
scuba-diving? – No, I`ve never swum in the sea. 3 Have you ever stayed awake
for 24 hours? – No, and I`ve never slept for 24 hours! 4 I`ve never eaten
Japanese food. – Really? So, you`ve never tried sushi?