Error Detection

ЗНАЙДІТЬ ПОМИЛКУ В ОДНОМУ З ПІДКРЕСЛЕНИХ ФРАГМЕНТІВ

The worse your school marks are, the angriest your parents become.

He's taking the medicine now, doesn't he?

He is having a bath when Jack came.

What will you be doing this time last week?

She promised that she will learn the poem by heart.

A lot of interesting books was read by my classmates last year.

One of her teeth are in a bad condition.

We have been learning English from 1997.

Everybody know that he is one of the best pupils at our secondary school.

My friends is fond of reading.

The doctor recommended my elder sister to go for the seaside.

Before crossing the street one should first look to the right, and then to a left.