I/he/she/it was camping.
You/we/they were camping.
what is the past of open
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 form of the past tense are past progressive,past perfect progressive,past perfect simple.
The three forms of progressive tense are present progressive (e.g., "is eating"), past progressive (e.g., "was eating"), and future progressive (e.g., "will be eating").
Past progressive tense.
The past progressive (past continuous) is "was visiting." (were visiting) The past perfect progressive is "had been visiting."
Eating is a present participle, which can be used as a gerund, an adjective, or a verb. When present participles are used as verbs, they create the progressive (continuous) forms and require the use of an auxiliary verb to show tense. Am/is/are eatingis the present progressive tense. The past progressive tense is was/were eating.
The past progressive tense of "study" is "was/were studying."
The past progressive of "think" is "was thinking" or "were thinking." The past perfect of "see" is "had seen."
Present progressive, past progressive, and future progressive
Was/were starting is the past progressive tense of start.
Past simple - I laughed. Past progressive - I was laughing.
The past perfect progressive tense of "to investigate" is "had been investigating."