13" You failed to save my husband's life", she said to the doctors
-> She blamed the doctors for having failed to save her husband's life.
14. " let me pay for the meal," Ban said to me
-> Ben insisted on paying the meal.
15." Beware of the bad road! its very dangerous to drive on it!: he warned us
-> he warned us to beware of the bad road, its very dangerous to drive on it.
16" it's not good to go sailing in this unpredictable weather." he told us ( warn against)
-> He warn us against going sailing in that unpredictable weather.
17." yes. I've spent too much money doing the shopping," she admitted
-> she admitted having spent too much money doing the shopping
18." Congratulations! you've succeeded in the interview,Lan"my mother to me
-> my mother congratulated me on having been succeeded in the interview
19." your brother spoilt our party" Rose tole me( accuse)
-> My brother was accused of having spoilt Rose's party.

20."we'll go on strike if you dont give us a pay rise" they said to the manager( threaten)
-> They threatened to go on strike if their manger didn't give them a pay rise.