Past perfect continuous VS. past continuousLearners sometimes use the past continuous when the past perfect continuous is required.We had been training for weeks, but we lost.* We were training for weeks, but we lost.Complete the sentences with the correct form of the verb in brackets....
英语 语法 时态 之:现在完成式 Present Perfect Tense | 第11期 5985 38 11:17 App 英语 语法 时态 之:现在完成进行式 Present Perfect Continuous | 第14期 1.5万 89 11:02 App 英语 语法 时态 之:过去完成式 Past Perfect Tense | 第13期 6868 72 08:53 App 语法:时态,30分钟保证学!不!会! | ...
past perfect continuous过去完成进行时(Past Perfect Continuous)是一种用于强调过去某一时间点之前持续进行动作的时态,着重于动作的未完成性和延续过程。其核心构成是“had been + 现在分词”,常用于提供背景信息、强调持续性或与时间状语连用。以下从定义、用法、构成、区别及实例展...
过去时态分为四种,分别是过去一般时态(past simple)、过去进行时态(past continuous)、过去完成时态(past perfect)、过去完成进行时态(past perfect continuous)。 在时间的概念或维度中,过去是相对于现在而言的。因此过去时态是相对于现在时态而言的。也就是说,当事情发生之后,在现在或此刻再去描述过去的那件事。 一...
Past perfect continuous We use the past perfect continuous to talk about actions that continued for a period of time before another action or situation in the past. We use it to focus on the duration of the action. The action may or may not have continued up to the moment we...
完成进行perfect continuous现在完成进行时present perfect continuous过去完成进行时past perfect continuous将来...
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 ...
past perfect &past continuous 系时间性既问题 past perfect 系强调比较短暂同较近既 如I had just finished the work yesterday when my Boss called me. (强调我老板打比我既时候我已完成工作 因为系昨天所以用pp) past continuous 强调一段较长时间既活动 如I was watching TV when the phone ...
Present perfect continuous vs. past perfect continuous tense The present perfect continuous indicates an action that began in the past and has continued up to the present. Like the past perfect continuous, it often appears with phrasal adverbs beginning with for or since to express the duration of...
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