88. Which of these past perfect continuous sentences is formed correctly?
89. Which past perfect continuous sentence explains the result of something that was happening in the past?
90. We don’t contract the positive sentence form with an apostrophe.
91. Complete the sentences by choosing the correct form of the verb in the past perfect continuous.
91. Complete the sentences by choosing the correct form of the verb in the past perfect continuous.
92. Complete the sentences by choosing the correct form of the verb in the past perfect continuous.
93. Complete the sentences by choosing the correct form of the verb in the past perfect continuous.
94. Complete the sentences by choosing the correct form of the verb in the past perfect continuous.
95. Complete the sentences by choosing the correct form of the verb in the past perfect continuous.