もっと

In a sentence

• もっと勉強しなければなりません。

  I must study harder.

  In this sentence, 'もっと' means 'more' or 'to a greater extent', modifying the verb '勉強しなければなりません' (must study) to indicate the necessity of working harder than currently.

• もっと砂糖を入れてもいいですか？

  May I put in more sugar?

  Here, 'もっと' conveys the meaning of 'more' in the context of quantity, specifying the request to add more sugar than already present.

• もっと早く家を出るべきだった。

  I should have left the house earlier.

  In this example, 'もっと' modifies '早く' (earlier), emphasizing the degree of earliness, thereby expressing regret about not leaving significantly earlier.