What is the difference between "had had to" and "have had to"? Please provide examples and elaborate explanations. What do each mean in the sentence?
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Simple past, Present perfect Past perfect
Can you tell me which form of the following sentences is the correct one please? Imagine two friends discussing the gym... I was in a good s...
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As in many game libraries such as LWJGL, you can check mouse/keyboard events with Mouse.isButtonDown or Keyboard.IsKeyDown. I want to check ...
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Will all the three sentences express this idea naturally? Section two roughly symmetrical pieces of your hair at the front. (Used by an Amer...
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I am looking for a way to calculate surface area of a 3D mesh object and found this code from a Unity forum : public float Area(Mesh m) {...
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