The aim of this paper is firstly, to make teachers correct thoroughly students' errors with effective strategies. Secondly, it is an attempt to find out if teachers are interested themselves in errors correction in Beninese secondary schools. Finally, I would like to point out the effective strategies that an EFL teacher can use for errors correction as far as EFL teaching/learning is concerned. The results from the interviews and classroom observation will also be taken into account to analyse with problem solving strategies. Field survey is used and the target population was teachers and students in Beninese secondary schools.