Analyze strips I, II and II below:
I.
II.
III.
What verb tenses are in strips I, II and III, respectively?
The verb phrase in “who have not spoken before” (last paragraph) is in the
Analyze the following statements about the underlined structure “has been based” (l. 08-09):
I. This verb tense is used because the sentence states when the action started, but not when it finishes, once it is still ongoing. II. The verb “have” is used in the third person singular form to agree with the subject of the sentence. III. If the present perfect structure were substituted by a simple past structure, there would be no changes in meaning.
Which ones are correct?
Choose the sentence from the text 2 demonstrates the use of the present perfect tense?
Susan is talking to her colleague about her recent achievements. Fill in the blanks with the correct present perfect form.
"I ___ (implement) a new teaching strategy, and I ___ (notice) significant improvements in student engagement."