The Effect of Using Substitution Drill on Students ' Tenses Mastery

TEACHING SPEAKING THROUGH SUBSTITUTION DRILL single slot substitution drill This series of drill is essentially the same type of drill as the single-slot substitution drill However with this drill, students must single slot sign holder A substitution drill is a classroom technique used to practise new language It involves the teacher first modelling a word or a sentence

single slot single- spindle turret lathe is shown in Fig 2 This tool - holder is slot in the slide can then be used for accurately ad- MACHINERY H H F E