In the sentence “A look at the word’s history reveals a perhaps surprising amount of variation and inconsistency” (1st paragraph), the underlined word (“reveals”) ends with an “s” for the same reason as in:
In the sentence “Native-speakerism is an ideology that upholds the idea that so-called “native speakers” are the best models and teachers of English because they represent a “Western culture” from which spring the ideals both of English and of the methodology for teaching it” (paragraph 1), the underlined word (“spring”) can be correctly classified as:
A student who does not know the meaning of the acronym A.D. would correctly ask for clarification from the teacher using the question
Os verbos regulares a seguir foram retirados do texto e estão no tempo presente. Marque a alternativa em que os dois verbos têm seu sufixo -ed do passado e particípio passado pronunciado com /d/.
The sentence which starts the dialogue between interviewer and interviewee “It’s been a year since your book came out and caused a huge conversation” has a verb in the present perfect tense. Another correct use of the present perfect is found in alternative: