This document contains a slideshow presentation on the present progressive tense in English. It includes 4 sections:
1) Introduction to the present progressive tense formation with "be + -ing" and examples.
2) Discussion of spelling rules for adding "-ing", including exceptions.
3) Formation of negative present progressive sentences and examples.
4) Distinguishing the present progressive from the simple present tense through examples of statements, questions, and negatives involving common verbs.