Signal Words for two hours, for ________ All day since morning, since ______ Structure / Formula Subject + had + been + Base form(+ing) + object + time reference I had been travelling. You can learn more about this tense separately using our past perfect tense structure and use guide. Instead, the past perfect continuous tense denotes an action that started in the past, continued in the past, and also ended at a certain point in the past. The past perfect continuous tense (also known as the past perfect progressive tense) shows that an action that started in the past continued up until another time in the past. Past Perfect Continuous Tense. Namely, Past Perfect Continuous Tense tell us “how long the action had continued”. It is nearly identical in structure to the present perfect continuous tense, except that the modal auxiliary verb have is now in the past tense. • Structure for Past Perfect Continuous • 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. If you want to learn about Past Perfect Continuous Tense and get tips about when to use this structure, you can read our article in detail. For example: Past Perfect Continuous Tense is used to express the action that started in the past and continued in the past for some time. The past perfect continuous tense is not like the present perfect continuous that expresses an action that started in the past and kept continuing until the present. The past perfect continuous tense is used to describe an action that began and was still in progress in the past before another past action started. Read on for detailed descriptions, examples, and present perfect continuous exercises. To indicate time reference “for” and “since” are used and it describes when the action started and how long it continued in the past. It is also called Past Perfect Progressive Tense. 4. Past Perfect Continuous Tense. Note: keep in mind that it is not common in written English to change the active sentences from present perfect progressive, past perfect progressive, and future perfect progressive tenses into passive sentences in written English, but they could be rarely changed in spoken English. Past Perfect Continuous Tense represents an ongoing action that started and continued for some time in the past. Past continuous tense; Present perfect simple tense; Intermediate grammar exercise: past simple vs. past continuous; Intermediate grammar exercise: past perfect vs. past simple; Upper-intermediate grammar exercise: past simple vs. past perfect; Intermediate grammar exercise: present perfect simple or continuous 2 https://englishgrammarsoft.com/past-perfect-continuous-tense-with-examples ” the duration of the action” is emphasized more in this tense. Past Perfect Continuous Tense indicates a past action which started in the past and continued to happen after another action and time in the past. Past Perfect Continuous Tense Active and Passive Voice. Examples of Past Perfect Continuous Tense - I had been writing articles on various topics for three hours. PAST PERFECT CONTINUOUS TENSE; Past Perfect Continuous is used to express an action that began before a certain point in the past and continued until another time in the past. Although Past Perfect Continuous Tense appears to have a rather complex structure, it is actually shaped by simple logic. The past perfect continuous tense is constructed using had been + the verb’s present participle (root + -ing). The past perfect continuous is also called past progressive tense and it talks about the completion of continuous action that happened before other action started in the past.