Genitive case with numerals

When we need to indicate a precise quantity we use the structure "a numeral plus a noun".

When we speak about one object a noun is always nominative and the form of a numeral changes according to the noun's gender:

If there are more than one object than the structure "a numeral + a noun in Genitive singular or plural" is used. Look at the tables.

числительное +существительные мужского рода:

числительное + существительные женского рода:

Pay attention to the fact that the form of a noun depends on the last numeral!

Pay attention to the form of the word "Two" - два, две

два студента, два доллара (2 + существительные мужского рода)
две студентки, две книги (2 + существительные женского рода)

The nouns that have one and the same form in singular and in plural (ref. "Nouns in plural (continued)") do not change their form when counted.

Complex Sentencewith the word «который» (wich)

When we want to describe a person or a thing (i.e. to answer the question какой? = what kind of? which?), we can use a complex sentence with the word который.

The word "который" has the forms similar to the forms of adjectives. It changes the form to agree with the gender, number or case of the word it refers to.

The same happens if the word "который" refers to an inanimate noun:

The form of the word "который" depends only on its syntactic function in a subordinate clause, not in the principal one! Look at the tables: the clause that starts with the word "который" doesn't change and it can be added to any principal clause from the left column.