CẢNH BÁOS+ WARNED+ SB+ TO V/ NOT TO V + OHOẶC S + WARNED SB AGAINST VING

15. WARN: cảnh báoS+ warned+ sb+ to V/ not to V + OHoặc S + Warned sb against Ving: cảnh báo ai làm (không làm) gìEx: “Don’t play ball near the restricted area.” I said to the boy:--> I warned the boy not to play ball near the restricted area--> I warned the boy against playing ball near the restricted area