Question

Till last year I ............ read without glasses ( modal auxiliary)

Answer 1

Answer:

use instead could

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Answer 2

Till last year I could read without glasses.

• Could is the modal verb which is used to express possibility and past ability, and to make indications and requests. Here in the sentence, could is used to express the past ability to read without glasses.
• The given question is a kind of verbal proficiency question where there will be a sentence with missing words, and we are required to complete the sentence with the most appropriate word or phrase.
• This question is a "fill inside the blank" form of a question. In English, it's particularly useful to recognise phases of vocabulary and the means of the words that could form appropriately with the context of the question. Each word, although compatible, may also imply that it isn't applicable for use in the sure state of affairs.
• As for the given question, "could" makes the absolute experience of thinking about the limited data attained from that one given sentence alone.

Hence, Till last year I could read without glasses.

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