To tell about a guess about a case in the past, why use "would+have+past participle" instead of "must+have+past participle?
97940
"Would have" in texts describing history
143716
Is such participle clause reducing usage constrained to only past tense?
81598
Why do we have to use 'to' instead of 'will'?
34087
Should I use "could" or "would" in the following case?
152550
present tense with past perfect?
80268
Past participle vs being+past participle
150264
Is this correct: "I'd have to have had..."
98158
Usage of 'should' versus 'would'
63125
"...would have trouble imagining...": Is this present participle or gerund?
134250
Past participle after noun: "proposed cost" vs. "cost proposed"
136040
Use of "would" for subjunctive phrases
48737
Using “used to” vs "would" when expressing something done in the past
18312
When is using the past perfect tense not necessary?
111354
'Will' vs 'Must'
34504
"could have" vs "could"
82540
"Should" versus "would"
24661
"had they known" or "if they had known"