Differences between 'Why would you do that?', 'Why did you do that?' and 'How could you do that?'
124678
What's the difference between 'why would you do that' and 'why did you do that'?
136471
When can we interchange “who/which" and "that”?
15721
"Is it proved that ...?" vs. "Has it been proven that ...?"
136040
Use of "would" for subjunctive phrases
82540
"Should" versus "would"
29914
What is the difference between  and ?
22309
What vs. Which - correct usage in questions
22092
Why do we use 'did' with questions using the simple past tense?
25348
Use "does" in front of another verb in a question?
28571
Is there any difference between “which” and “that”?
142736
Difference between "are you done" and "have you done."
76741
"Why couldn't" vs. "why couldn't you have"
11471
Ambiguity of “not.... because”
101965
Why should we use 'Did you come?' instead of 'Did you came?'?
56154
Be it that,were to, and should - what were the differences between these conditionals?
34503
"What day is it today?" vs. "What day is today?"
89900
What is the difference in meaning among these sentences?