43."Don't frown at me like that", my sister said to me.
-> My sister told me not to frown at her like that
44.Her aunt said to Mary:"Don't buy expensive tickets for the concert" 
-> Her aunt told Mary not to buy...
45."Don't be lazy", our teacher said to us.
-> Our teacher told us not to be lazy
 46."Get a taxi" , my adopted father said to me
-> My adopted father told me to get a taxi