You can find the structures of the grammar tenses: PRESENT PERFECT - FUTURE- VERB TO BE IN PRESENT. This power point presentation contains also examples that would help students to understand the topics y en better way.
The present downloadable teaching material was created for at Elementary (A1) level. It is great for practising Verb tenses in English, and was designed for honing your learners' Reading skills. It centers around the theme of Future.