"Would" with past tense
Simple past (date in past), not perfect present
Future Perfect: something happening between present and unspecified future time.
Simple Past Tense
Past participle instead of simple past
Gerund follows the preposition "for," infinitive does not.
1st action always uses past perfect, 2nd uses simple past.
"will" always with present tense sentence
Noticed the dark-haired man, not specifically "standing."
Since and "for" require present perfect tense. "Would" should not be used with present tense.
Gerund functioning as a noun, possessive modifies Lionel doesn't hate Adam (him), but "his singing"