私ははしごを使って屋根に登った。

I; me; private affairs; personal matter; secrecy; selfishness

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

ladder; stairs; going to several places in succession (e.g. barhopping)

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to use (a thing, method, etc.); to make use of; to put to use; to use (a person, animal, puppet, etc.); to employ; to handle; to manage; to manipulate; to use (time, money, etc.); to spend; to consume; to use (language); to speak

roof

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

to ascend; to go up; to climb; to ascend (as a natural process, e.g. the sun); to rise; to go to (the capital); to be promoted; to add up to; to advance (in price); to swim up (a river); to sail up; to come up (on the agenda)