Составь предложение, используя следующие слова: country / green / in the / there are / hills / a lot of / Дополни предложение. There ... a lot of (рыбы) ... in the river.

1). There are a lot of hills in the country.

Construction "there are" in the present tense. We use "are" because the word "hills" is in plural. We translate this structure starting from the adverbial modifier of place: "В деревне много холмов".

2). There is a lot of fish in the river.

We use "there is" because the word "fish" is used as a singular uncountable noun: "В реке много рыбы".