https://www.youtube.com/watch?v=9QU5bqql8Kg
17 minutes Present perfect — You can rewatch this video by going to Course Materials on Open Lab and clicking on the video https://www.youtube.com/watch?v=8W2v-WWQrkA&feature=emb_rel_pause
These 27 grammar exercises focus on important grammar and sentence structure challenges students face when writing essays.
27-Grammar-Drills -Jennifer Sears
- Overview of the Present Perfect Tense
- 1539615307-SimplePresentvsPresentContinous
- 1539615253-SimplePresentandPresentContinousI
- 1539615151-SimplePastPastContinuousPractice
- 1539614772-TensesPres._Past_simple_progressive_perfect
- 1539614666-TensesTheoryPresentPast_simpleprogressive
- 1539614951-PastTense-Editing-tenseconsistency
- 1539614814-TenseConsistence_pastpresent
Adjective Clauses, Run-on Sentences and Sentence Fragments