このボールペンはとても書きやすいです。

N5 この kono this N5 ボールペン boorupen ballpoint pen, pen N5 とても totemo very, quite, extremely

N5 書 sho / ka.ku, -ga.ki, -gaki write, écrire, escritura

N4 〜やすい yasui Indicates ease of performing an action, attaches to the verb stem, means easy to do N5 〜です desu Used at the end of a sentence, polite affirmative form, means to be depending on context N5 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context N5 〜と to Indicates company, quotation, natural condition, complete list, or direct connection between elements N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase N5 〜も mo Means also, adds another similar item, often replaces particles such as wa ga or o N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information