Select the sentence that correctly uses the past perfect tense in t...

Which option correctly forms a question implying surprise about an unexpected past event?

Identify the correctly formulated question that employs a double auxiliary for emphasis in a negative question.

The Internet is a global network of computers and other electronic devices that allows users to share information and communicate from anywhere. It ha...

During the team meeting last night, what tense would you use to describe an ongoing discussion?

Choose the option that best completes the sentence below with the correct phrasal verb:"Even though Jack had a rough start in his career, he eventuall...

Choose the sentence that correctly combines two or more expressions of time:

In the complex sentence "Quietly, Mark placed the book exactly where he found it, ensuring everything looked untouched," how do the adverbs "quietly" ...

Global warming refers to the long-term increase in Earth's average surface temperature due to human activities, principally carbon dioxide emissions r...

The theory of evolution by natural selection, first formulated in Darwin's book "On the Origin of Species" in 1859, is the process by which organisms ...

What tense would you use to describe an action that started in the past and continues up to the present moment?