Which of these is NOT a tense? ( )
A: The present continuous
B: The past perfect
C: The future perfect continuous
D: The passive
A: The present continuous
B: The past perfect
C: The future perfect continuous
D: The passive
举一反三
- The form of the past perfect continuous tense uses “had been” adding verb “ed” forms. (T/F)
- When you point out the purpose / problem of research again, the is mainly used. A: present tense B: present perfect tense C: past tense D: future tense
- If the research material is conventional and not a specific material reported in the paper, we use ( ). A: the present perfect tense B: the future tense C: the simple present tense D: the simple past tense
- Which of the following tense is NOT usually used to make a generalization of a fact or certain phenomenon happening recently? A: present tense B: present continuous C: present perfert D: future tense
- Generally speaking, in an abstract, the opening and concluding statements are written in the present tense or the present perfect tense, while the methods and results are expressed in the past tense.