The past perfect progressive tense of "look" is "had been looking."
Chat with our AI personalities
The five progressive tenses in English are: present progressive (e.g., I am eating), past progressive (e.g., She was watching), future progressive (e.g., They will be sleeping), present perfect progressive (e.g., We have been studying), and past perfect progressive (e.g., He had been working).
The past perfect progressive tense of "clean" is "had been cleaning."
The past perfect tense is created with the auxiliary verb had and a past participle. The past perfect tense of complain is had complained. The past perfect progressive tense is created with had + been + a present participle. The past perfect progressive of complain is had been complaining.
The past progressive tense has two forms: simple past progressive (e.g., "I was reading") and past perfect progressive (e.g., "I had been reading"). Both forms indicate an ongoing action in the past.
The past perfect progressive tense of the verb "try" is "had been trying."