question: especially if you fantasize about how they might have looked in its heyday.
Capitalize this past sentence correctly.
A: Especially if you fantasize about how they might have looked in its heyday.

question: mpk39: profit and loss account of danish banks by revenue/expenditure
Capitalize this past sentence correctly.
A: MPK39: Profit and loss account of Danish banks by revenue/expenditure

question: the surprising thing is that there is quite limited variations in grammatical structures.
Capitalize this past sentence correctly.

A: The surprising thing is that there is quite limited variations in grammatical structures.