have been microfilming
Present perfect progressive conjugation of microfilm. There are other translations for this conjugation.

microfilm

Popularity
500+ learners.
US
SpanishDictionary.com Phonetic Alphabet (SPA)
may
-
kro
-
fihlm
International Phonetic Alphabet (IPA)
maɪ
-
kɹoʊ
-
fɪlm
English Alphabet (ABC)
mi
-
cro
-
film
UK
SpanishDictionary.com Phonetic Alphabet (SPA)
may
-
krow
-
fihlm
International Phonetic Alphabet (IPA)
maɪ
-
kɹəʊ
-
fɪlm
English Alphabet (ABC)
mi
-
cro
-
film
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