English Language Lesson on 5 Most Common Grammatical Mistakes (HOW TO AVOID THEM !!)

The video tutorial addresses five common grammatical mistakes in English. It begins with an introduction to these errors, followed by detailed explanations of each mistake. The first mistake involves the omission of 's' in third person singular present simple sentences. The second mistake covers the confusion between different types of conditionals. The third mistake focuses on the correct use of possessives and apostrophes. The fourth mistake differentiates between 'could' and 'should'. Finally, the video explains the proper use of 'who' and 'which' in sentences.

What is the correct form for the third person singular in present simple sentences?

• She speak English.

• She speak English.

• He speak English.

• He speaks English.

Which conditional form uses 'will' plus the infinitive?

• First conditional

• Second conditional

• Zero conditional

• Third conditional

In the second conditional, what tense is used in the condition part of the sentence?

• Past simple

• Present simple

• Future simple

• Present perfect

How do you form a possessive using apostrophe 'S'?

• Object + 'S' + Whose

• Whose + Object + 'S'

• Whose + 'S' + Object

• Object + Whose + 'S'

What does 'could' express when used in a sentence?

• A future possibility

• A present obligation

• An ability in the past

• A suggestion

Which relative pronoun is used for people?

• Who

• That

• Which

• It

In informal English, which word can replace 'who' and 'which'?

• That

• This

• They

• It