泳ぐ（およぐ）— swim
ここ で 泳いで は いけません。
You must not swim here.
泳ぐおよぐ
swim
およぐ
accent [2]In detail
Words
ここkokohere
でde(location of the action)
泳いでoyoguswim (て-form)
てtethe linking ending in 泳いで
はwa(part of the prohibition pattern)
いけませんikemasenmust not (with the て-form and は)
Kanji
泳エイ・
泳ぐ is godan: its polite form is 泳ぎます, and its て-form is 泳いで. Here ～てはいけません prohibits swimming.
Coco-sensei