/The shop assistant\ /asked\ Helen /whether\ the shoes /was\ too small for her
We must act /now\ before it is too /late\ /doing\ antthing /about\ the problem
/Can\ you /tell me\ what you /have done\ at 8'clock /yesterday evening\
We /are\ /looking\ forward to /seeing\ you /on\ April
I am /interesting\ in the /rice-cooking\ /contest\ you /organized\ yesterday
/The shop assistant\ /asked\ Helen /whether\ the shoes /was\ too small for her
was → were
We must act /now\ before it is too /late\ /doing\ antthing /about\ the problem
dong → to do
/Can\ you /tell me\ what you /have done\ at 8'clock /yesterday evening\
have done → were doing
We /are\ /looking\ forward to /seeing\ you /on\ April
on → in
I am /interesting\ in the /rice-cooking\ /contest\ you /organized\ yesterday
interesting → interested