Past Perfect
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Review of the Past Perfect tense
Watch an animated grammar film about the Past Perfect
Exercises
Academic Research
Grammar
Lexis
- Academic Word List
- Academic Word List Practice
- Corpus of Contemporary American English
- Google N-Gram Viewer
- Most common 2000 words
- Online Concordancer
- Sozo exchange
- textalyser
- The Michigan Corpus of Academic Spoken English
- The Online Etymology Dictionary
- Visual Thesaurus
- VocabProfiler
- VOXY (ESL for Spanish Speakers)
- Word Reference
Listening
Pronunciation
Reading
Social Media Tools
Writing
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