she had her hair cut by someone 

...cut her hair by someone

she had her hair cut(by someone)

She had been cut hair

She had cut her hair by someone.

she had her hair cut (by someone)

hoan thanh cac cau sau 

30 "  Who will look after your children when you are away ?" 

the Lan asked  my mother .........who would look after her children when she was away...........

31 he said to her " you are my friend "

he told ..........her that she was her friend............................

32 jonh said to his mother "  i don't know how to do this exercise"

jonh told .........his mother that he didn't know how to do that exercise............

33 the students said to their teacher " please give us better marks '

the students asked .......their teacher to give them better marks..............................

34  " i can do my homework "

he said ............he could do his homework........................

35 " we are waiting  for  the bus " said the children 

the children said .........they were waiting  for  the bus..........................................

30 "  Who will look after your children when you are away ?" 

the Lan asked  my mother .........who would look after her children when she was away...........

31 he said to her " you are my friend "

he told ..........her that she was her friend............................

32 jonh said to his mother "  i don't know how to do this exercise"

jonh told .........his mother that he didn't know how to do that exercise............

33 the students said to their teacher " please give us better marks '

the students asked .......their teacher to give them better marks..............................

34  " i can do my homework "

he said ............he could do his homework........................

35 " we are waiting  for  the bus " said the children 

the children said .........they were waiting  for  the bus...................................

30 "  Who will look after your children when you are away ?" 

the Lan asked  my mother .........who would look after her children when she was away...........

31 he said to her " you are my friend "

he told ..........her that she was her friend............................

32 jonh said to his mother "  i don't know how to do this exercise"

jonh told .........his mother that he didn't know how to do that exercise............

33 the students said to their teacher " please give us better marks '

the students asked .......their teacher to give them better marks..............................

34  " i can do my homework "

he said ............he could do his homework........................

35 " we are waiting  for  the bus " said the children 

the children said .........they were waiting  for  the bus...................................