-en FI want king is have known 16 I didn't have a carnival costume, but I take part in the procession. a can still c was still able b still had to d should still 17 It was a job interview - you _ have worn jeans and a T-shirt! a shouldn't c mustn't b ought not d may not 18 Please help yourself to the food at the buffet. You be starving after your long journey. a could c would b might d must
