疲れすぎて何もできませんでした。

N5 何 nani / nan what

N3 疲 hi / tsuka.reru, -zuka.re, tsuka.rasu exhausted, tire, weary N5 何 ka / nani, nan, nani-, nan- what, quoi, qué

N5 〜ます masu Used at the end of verbs, polite present or future form, makes the sentence more polite N5 〜です desu Used at the end of a sentence, polite affirmative form, means to be depending on context N4 〜すぎる sugiru Indicates excess beyond what is appropriate, attaches to verb or adjective stem, means too much or excessively N4 〜ので node Indicates cause or reason in a softer way than kara, connects two clauses, often used in polite explanations N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context N5 〜も mo Means also, adds another similar item, often replaces particles such as wa ga or o