Я осторожно режу хлеб этим ножом.

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Breakdown of Я осторожно режу хлеб этим ножом.

• этот: this
• хлеб: the bread
• резать: to cut

Questions & Answers about Я осторожно режу хлеб этим ножом.

What verb form is режу, and what does it tell us about the action?

Режу is the 1st person singular present tense of the imperfective verb резать (to cut).

• я режу = I cut / I am cutting
• Imperfective aspect means the action is:
  • ongoing right now, or
  • repeated / habitual.

So Я осторожно режу хлеб этим ножом can mean either:

• I am carefully cutting the bread with this knife (right now), or
• I (usually) cut bread carefully with this knife — context decides.

What case is хлеб, and why doesn’t it change its form?

Хлеб is in the accusative case here, because it is the direct object of the verb режу (what am I cutting? bread).

For inanimate masculine nouns like хлеб, the accusative singular form is the same as the nominative singular:

• Nominative: хлеб (bread) – subject
• Accusative: хлеб (bread) – direct object

So it looks unchanged, but grammatically it’s accusative.

Why is there no word for “am” like in I am cutting?