
10キロ走(はし)ることができます。
=10キロ___ます。
a. はしって b. はしられ c. はしり d. はしれ
The intended meaning is I can run 10 kilometers, so the answer is d. はしれ. As はしる/はしります is a 5-dan verb, you need to change the letter before ます to the -e sounding letter of the same consonant, which is れ in this case.
This question was modified from a question in the EasyJapaneseE’s “Adding “can” 3 – revision of both patterns” module. If you need to revise the potential form and/or potential verbs, this module will give you plenty of practice. For details, click the relevant link below.
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