Check out this SlideShare Presentation:

Click on the links to do different types of activities to practice the form and use of present perfect:

- Present perfect I (affirmative & negative form)

- Present perfect II (interrogative I)

- Present perfect III (interrogative II)

- Present perfect IV (questions and answers)

- Present perfect V (word order)

- Present perfect VI (translation)

- Present perfect VII (mistakes)

- Present perfect VIII (for / since)

- Present perfect IX (already / yet)

Use the links below to review the form of past simple

- past simple I (affirmative)

- past simple II (negative)

- past simple III (interrogative)

- past simple IV (short answers)

- past simple V (mistakes)

- past simple VI (translation)

Check out this SlideShare Presentation:

Choose from the links below and practice the contrast between present perfect and past simple:

- present perfect vs. past simple I
(identifying tenses)

- present perfect vs. past simple II
(fill in the gaps)

- present perfect vs. past simple III
(choose the correct answer)

- present perfect vs. past simple IV
(fill the gaps)

- present perfect vs. past simple V
(fill in the gaps)

- present perfect vs. past simple VI
(short answers)