1.直接转化成延续性动词 buy catch (get) a cold borrow come/go /become/reach have have a cold keep be 短暂性动词 延续性动词 borrow - keep buy - have die - be dead leave- be away (from) open- be open close- be closed come/go- be2.转换成be+ 介词短语 join the army join the Party go to school be in the army be in the party be in a school 3转换成be+ 形容词或副词 die finish begin leave fall asleep close open be dead be over be on be away be asleep be closed be open1.How long can they _( 借)the book? 2.They _( 借)the book since a week ago. 3
