TENSES

A.    Present Tense

Unit I              Simple Present Tense / Present Tense

Unit II             Present Continuous Tense

Unit III           Present Perfect Tense

Unit IV           Present Perfect Continuous Tense

B.     Past Tense

Unit V             Simple Past Tense / Past Tense

Unit VI           Past Continuous Tense

Unit VII          Past Perfect Tense

Unit VIII        Past Perfect Continuous Tense

C.     Future Tense

Unit IX           Future Tense / Present Future Tense

Unit  X            Future Continuous Tense

Unit XI           Future Perfect Tense

Unit XII          Future Perfect Continuous Tense

D.    Past Future Tense

Unit XIII        Past Future Tense

Unit XIV        Past Future Continuous Tense

Unit XV          Past Future Perfect Tense

Unit XVI        Past Future Perfect Continuous Tense

THE EXPLAINATIONS.... LATER....