Understanding Singular and Plural Subjects in Sentences

The video tutorial discusses the grammatical rules of using singular and plural subjects with verbs. It uses examples of famous structures like the Empire State Building to explain why 'was' is used instead of 'were' when referring to each structure individually. The tutorial emphasizes the importance of subject-verb agreement and identifies an error in the use of 'they were' instead of 'it was'.

Which of the following buildings was once the tallest in the world?

• Eiffel Tower

• Shanghai Tower

• Empire State Building

• Burj Khalifa

What is the subject when using 'each' in a sentence?

• Both

• Neither

• Singular

• Plural

Which of the following is a singular subject?

• All of the students

• Each of the students

• Some of the students

• Many of the students

If 'all' is used as the subject, which verb form should be used?

• Were

• Was

• Has

• Is

What verb form should be used with 'each'?

• Are

• Have

• Were

• Was

What is the correct verb form for 'all of these structures'?

• Was

• Is

• Were

• Has

What is the correct pronoun to use with 'each' as the subject?

• They

• It

• We

• You

Which pronoun correctly replaces 'each of the structures'?

• Those

• It

• Them

• They

In the sentence 'each of these structures was the tallest in the world at the time it was built', what is the error?

• Use of 'was' instead of 'were'

• Use of 'it' instead of 'they'

• No error

• Use of 'tallest' instead of 'taller'

What is the error in the sentence 'each of these structures were the tallest in the world'?

• Use of 'tallest' instead of 'taller'

• Use of 'were' instead of 'was'

• No error

• Use of 'in' instead of 'at'