1. Íàðå÷èÿ îáû÷íî îáðàçóþòñÿ îò ïðèëàãàòåëüíûõ ïóòåì ïðèáàâëåíèÿ îêîí÷àíèÿ –ly:
slow – slowly (ìåäëåííûé – ìåäëåííî);
real – really (äåéñòâèòåëüíûé - äåéñòâèòåëüíî);
right – rightly (ïðàâèëüíûé – ïðàâèëüíî);
careful – carefully (âíèìàòåëüíûé – âíèìàòåëüíî);
beautiful – beautifully (êðàñèâûé – êðàñèâî);
complete – completely (ïîëíûé – ïîëíîñòüþ);
hopeful – hopefully (íàäåþùèéñÿ – ñ íàäåæäîé).
Îäíàêî èç ýòîãî ïðàâèëà åñòü íåñêîëüêî èñêëþ÷åíèé:
true – truly (èñòèííûé – èñòèííî);
due – duly (äîëæíûé – äîëæíûì îáðàçîì) whole – wholly (öåëûé – öåëèêîì).
2. Ïðè îáðàçîâàíèè íàðå÷èé îò ïðèëàãàòåëüíûõ, êîòîðûå îêàí÷èâàþòñÿ íà –y, áóêâà "y" çàìåíÿåòñÿ íà "i":
happy – happily (ñ÷àñòëèâûé – ñ÷àñòëèâî);
easy – easily (ëåãêèé – ëåãêî);
dry – drily (ñóõîé – ñóõî).
Èñêëþ÷åíèÿ:
shy – shyly (çàñòåí÷èâûé – çàñòåí÷èâî);
sly – slyly (õèòðûé – õèòðî);
coy – coyly (ñêðîìíûé – ñêðîìíî).
3. Ïðè îáðàçîâàíèè íàðå÷èé îò ïðèëàãàòåëüíûõ, êîòîðûå îêàí÷èâàþòñÿ íà –le, ïåðåä êîòîðîé ñëåäóåò ñîãëàñíàÿ, îêîí÷àíèå "le" çàìåíÿåòñÿ íà "ly":
idle – idly (ëåíèâûé – ëåíèâî);
noble – nobly (áëàãîðîäíûé – áëàãîðîäíî);
able – ably (óìåëûé – óìåëî).
4. Ïðè îáðàçîâàíèè íàðå÷èé îò ïðèëàãàòåëüíûõ, êîòîðûå îêàí÷èâàþòñÿ íà –ic, îêîí÷àíèå "ic" çàìåíÿåòñÿ íà "ically":
tragic – tragically (òðàãè÷åñêèé – òðàãè÷åñêè);
ironic – ironically (èðîíè÷åñêèé – ñ èðîíèåé);
phonetic – phonetically (ôîíåòè÷åñêèé – ôîíåòè÷åñêè).
Èñêëþ÷åíèå:
public – publicly (ïóáëè÷íûé – ïóáëè÷íî).
Íàïèñàíèå ñëîâ íà –ise è – ize
Ìíîãèå ñëîâà ìîãóò èìåòü èëè îêîí÷àíèå –ise èëè îêîí÷àíèå –ize.  àìåðèêàíñêîì àíãëèéñêîì â äàííîì ñëó÷àå ïðåäïî÷èòàåòñÿ îêîí÷àíèå –ize:
realize/realise (BrE), realize (AmE) – ïîíèìàòü, îñîçíàâàòü;
echanize/mechanise (BrE), mechanize (AmE) – ìåõàíèçèðîâàòü;
baptize/baptise (BrE), baptize (AmE) – êðåñòèòü.
Áîëüøèíñòâî ñëîâ, ñîñòîÿùèõ èç äâóõ è áîëåå ñëîãîâ, îêàí÷èâàþòñÿ íà –ise êàê â áðèòàíñêîì, òàê è â àìåðèêàíñêîì àíãëèéñêîì.
Íàïðèìåð:
surprise – óäèâëåíèå, óäèâëÿòü;
exercise – óïðàæíåíèå, óïðàæíÿòüñÿ;
advise – ñîâåòîâàòü;
comprise – âêëþ÷àòü â ñåáÿ;
despise – ïðåçèðàòü;
compromise – êîìïðîìèññ, ïîéòè íà êîìïðîìèññ;
improvise – èìïðîâèçèðîâàòü;
supervise – íàäçèðàòü;
televise – ïåðåäàâàòü òåëåïðîãðàììó;
advertise – ðåêëàìèðîâàòü.
Îáðàòèòå âíèìàíèå, ÷òî ñëîâî capsize (îïðîêèäûâàòüñÿ) èìååò îêîí÷àíèå –ize è â áðèòàíñêîì, è â àìåðèêàíñêîì àíãëèéñêîì.