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PRESENT CONTINUOUS TENSE 2020
REFERENCES
Council, B. (2020). Present Tense: British Council. Retrieved from British Council
Website: learningenglish.britishcouncil.org
First, E. (2020). Grammar and Vocabulary:EF Education First. Retrieved from EF
Education First Web site: https://www.ef.co.id
Krohn, R. (1986). English Sentence Structure. Michigan: The University of
Michigan Press.
Zaida, N. (2015). BUPENA English for SMP/MTs Grade VIII. Erlangga.
Zaida, N. (2017). Bright: An English Course for SMP/MTs Grade VIII. Jakarta:
Penerbit Erlangga.
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