何が起こらんとしているのか知っていたなら、彼らは自分たちの計画を変えたであろう。

Sentence Analyzer

English Translation

Had they known what was about to happen, they would have changed their plans.

Furigana

何(なに)が起(お)こらんとしているのか知(し)っていたなら、彼(かれ)らは自分(じぶん)たちの計画(けいかく)を変(か)えたであろう。

Romanji

Nani ga okoran to shiteiru no ka shitteita nara, karera wa jibuntachi no keikaku o kaeta de arou.

Words

何 (なに、なん)

what; how many; you-know-what; that; whatsit; what's the expression; what do you call them; what?; hey!

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

起こる (おこる)

to occur; to happen

と (と)

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

為る (する)

to do; to cause to become; to make (into); to turn (into); to serve as; to act as; to work as; to wear (clothes, a facial expression, etc.); to judge as being; to view as being; to think of as; to treat as; to use as; to decide on; to choose; to be sensed (of a smell, noise, etc.); to be (in a state, condition, etc.); to be worth; to cost; to pass (of time); to elapse; verbalizing suffix (applies to nouns noted in this dictionary with the part of speech "vs"); creates a humble verb (after a noun prefixed with "o" or "go"); to be just about to; to be just starting to; to try to; to attempt to

の (の)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

か (か)

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way

知る (しる)

to be aware of; to know; to be conscious of; to cognize; to cognise; to notice; to feel; to understand; to comprehend; to grasp; to remember; to be acquainted with (a procedure); to experience; to go through; to learn; to be acquainted with (a person); to get to know; to concern

だ (だ)

be; is; indicates past or completed action; indicates light imperative

彼ら (かれら)

they (usually male); them

は (は)

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

計画 (けいかく)

plan; project; schedule; scheme; program; programme

を (を)

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.

変える (かえる)

to change; to alter; to transform; to convert; to turn; to vary; to reform; to revise; to amend

或 (ある)

a certain ...; some ...