n Khanh Hi all,Hi all, I encountered this sentence and don't understand why did they use past tense instead of past tense: "I had been up all night trying to finish the presentation". Thank you! The past perfect is used in a context of past actions, and earlier past actions Yesterday morning I was very tired.
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Tr?n KhanhHi all,Hi all, I encountered this sentence and don't understand why did they use past tense instead of past tense: "I had been up all night trying to finish the presentation". Could you help me to understand it?Thank you!The past perfect is used in a context of past actions, and earlier past actions