这里的合乎规范不单指遵照目标期刊或是所在单位机构的固定要求,更意指要能够清楚地、准确地将信息传达给读者,包括研究主题、研究时间与你的观点(和引用的他人的观点)。为了能够做到这点,有一个重要的写作原则就是要确保文章中动词时态(Verb Tense)使用恰当。动词时态使用恰当,能使上下文衔接自然流畅,帮助读者快速梳理...
“last Monday”很明显是过去时,而这里使用了past perfect tense,即过去完成时。过去完成时表示动作发生在将来,并且有一定的讽刺意味。很明显,这里出现了时态错误。 Were and Would 我们需要记住一个简单的句子结构:当你使用条件句时,你必须使用“were... would”。让我们看几个例子: If I was a rich man, I...
The 4 Past Tenses Simple Past Tense I ran to the shops. Past Progressive Tense I was running to the shops when I saw Bruno. Past Perfect Tense I had run to the shops, but they were closed. Past Perfect Progressive Tense I had been running to the shops, but I have now started walkin...
Past Perfect Tense Had Read Example: I had read 10 books by the time I was one. Present Perfect Tense Let’s understand the present perfect tense with the help of an example below. Root Verb Read Example: I like to read. Present Tense Read Example: I read every day. Present Perfect ...
时态形式和语义时态(tense-aspect: form and meaning) 一般现在式( present simple form) 现在进行式 (present continuous form) 现在完成式(present perfect form) 现在完成进行式(present perfect continuous form) 一般过去式(past simple form) 过去进行式(past continuous form) ...
Auxiliary Verb- the past tense of "have" (had) is used. Subject- the subject comes after the auxiliary verb "have" (had). Auxiliary Verb- the V3/past participle form of the verb "to be" (been) is used. Main Verb Regular Verbs- -ed is added to the base form of the verb. ...
What is the past tense of on? Which verb form is used to indicate the perfect tense? What is past tense? What tense is "has been" in grammar? What is the difference between verb form and verb tense? What is the past tense of "are"?
The non-continuous past perfect tense useshad+ thepast participle; the past perfect continuous tense useshad+been+ the-ing formof the main verb. Examples: She had (She'd) lived here for 10 years when I met her. She had (She'd) been living here for 10 years ...
Verb Tense Exercises (Simple, Progressive, Perfect, Conditionals, etc.) Improve your English with these exercises on verb tenses, passive and active voice, and conditionals. Good luck! Exercise Group #1: Simple & Progressive Tenses (Past, Present, Future) It (rain) now. Let's stay inside. ...
Preview Practice with Past Perfect in Your Web Browser More Practice with Past Perfect– combine two events into one sentence using past perfect tense (using “had” or “has” in one of the verb phrases). Add subordinating conjunctions or rearrange the order of the events, but don’...