rules

Question 1

по(po)

Answer 1

indicates the way something is done

Question 2

у тебя есть (u tebya yest’) is the informal way of asking “do you have?” To make it sound more formal or polite, all we have to do is replace the informal “you” with the formal one: у Вас есть? (U Vas yest’?)

Question 3

As you can see, we have a pattern here. The adjectives that go together with masculine nouns have the endings ий, and with feminine – ая.

Question 4

To form the verbs in the past tense, all you have to do is:

Answer 4

Take a verb in the infinitive form
Drop the ending ть (ts)
Add the ending -л (-l) for masculine, and -ла (-la) for feminine gender.