Form of past perfect continuous tense
- Passive form of past perfect continuous tense
- Negative form of past perfect continuous tense
- Question form of past perfect continuous tense
- Verb form of past perfect continuous tense
- Interrogative form of past perfect continuous tense
- General form of past perfect continuous tense
- Active form of past perfect continuous tense
- Past perfect continuous tense form examples
- Choose the interrogative form of the past perfect continuous tense
- Which form of verb used in past perfect continuous tense
- Examples of past perfect continuous tense in negative form
- What is the correct negative form of the past perfect continuous tense
- Choose the past perfect continuous tense form of the sentence
- Which sentence uses the correct form of the past perfect continuous tense