お皿洗おうとしたら、もう彼がやってくれてた

N5 お皿 osara plate, dish N5 もう mou already / more N5 彼 kare he

N2 皿 bei / sara dish, a helping, plate N3 洗 sen / ara.u wash, inquire into, probe N3 彼 hi / kare, kano, ka.no he, that, the

N4 〜とすると to suru to Indicates hypothesis based on an imagined condition, attaches to a sentence, means if that is the case or assuming that N4 〜てくれる te kureru Indicates someone does something for the speaker or close group, attaches to the te-form verb N5 〜てください te kudasai Polite request expression, attaches to te-form verb, equivalent to please do N5 〜もう mou Indicates recent completion or change, equivalent to already, shows action completed before now N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜と to Indicates company, quotation, natural condition, complete list, or direct connection between elements N5 〜も mo Means also, adds another similar item, often replaces particles such as wa ga or o