Нужны словообразования (verb, noun, adjective, adverb)
к каждому слову.. Сам знаю оч много напишите хотя б на несколько, пожалуйста!
the foundations. isolation. memorize. idiom. intonation. afterwards. helpful. mother tongue. a drill (упражнение). an interpreter. to interpret (интепретировать). to interpret (переводить). to practise. practice. related. up-to-date. old-fashioned. average. rude. to realize (понять/осознать). to realize (осуществить). to disappoint. disappointed. almost.

foundations - foundational

isolation - isolationism, isolationist - isolate

memorize - memories - memorial

idiom - idiomatic

intonation - intonational - intonate

afterwards - afterward

helpful - helpfulness

mother tongue????

a drill - to drill