The structure of the Past Perfect Continuous tense is:subject + auxiliary have + auxiliary be + main verb conjugated in Past Simple past participle had been present participleThe first auxiliary verb (have) is
The past continuous tense formula involves a simple past tense conjugation of to be (was or were) and the present participle of the main verb, the -ing form: was/were + [present participle]. This structure expresses actions that were in progress at a specific time in the past. While I ...
past perfect tense (过去完成时 )过去完成时表示一个动作或状态在过去某一时间或动作之前已经完成或结束,也可能是早已完成或结束,即“过去的过去”;也可以指过去的动作延续到过去的某个时刻. 过去完成时由“had +动词的过去分词”构成, had通常用于任何人称.过去完成时主要有以下几点用法 1. 表示过去某一时间或...
Because the past perfect continuous tense refers to actions that ended, we often use asubordinating conjunctionsuch asbefore,since,until, andwhento state what other event or time limit caused them to stop. We also often use the conjunctionbecausewith the past perfect continuous to explain the cau...
Past perfect continuous tense formula Here is the formula for constructing sentences in the past perfect continuous tense: The formula for the past perfect continuous tense is had been + [present participle (root form of verb + -ing)]. This structure is consistent for all subjects, whether sing...
The past perfect continuous (also called past perfect progressive) is a verb tense which is used to show that an action started in the past and continued up to another point in the past. Read on for detailed descriptions, examples, and present perfect continuous exercises....
Past Perfect Continuous Structure Positive Subject + had + been + verb + ing I, You, He, She, We, They had been working for two hours when she telephoned. Negative Subject + had + not (hadn't) + been + verb + ing I, You, He, She, We, They hadn't been paying attention for ...
The past perfect tense is a verb form used to refer to a past action that occurred prior to another past action (e.g., “You had run”).
Simple Past Tense, Past Continuous Tense, and Past Perfect Tense (prepared by alexcwlin; edited by: Adam Lam) Question (from 泥泞开出花朵): 老师我看到这样一个句子,A very loud engineer talked big ab…
Past Perfect ContinuousPast Perfect ContinuousWhat is Past Perfect Continuous?1. This afternoon, I was in the town center, where I had been doing some shopping.2. One afternoon, hundreds of unlucky passengers who had been expecting to board a flight to New York were told it had been cancelle...