関連ワード:  past perfect continuous tense interrogative structure with examples    past perfect continuous tense interrogative sentences examples with answers    past perfect continuous tense interrogative sentences examples    past perfect continuous tense interrogative sentences examples in hindi    past perfect continuous tense interrogative negative sentences examples    past perfect continuous tense interrogative negative sentences examples in hindi    past perfect continuous tense double interrogative sentences examples  
結果 : past perfect continuous tense interrogative structure with examples