Arc Context: Technology & Innovation
Arc 9 in "Biomimetic Design: Innovation Inspired by Natural Systems" applies Technology & Innovation language to practical communication tasks at the Professional level. Key terms such as biomimetic, biological, design, technologies appear repeatedly, while the dominant modal_verbs pattern gives you a stable structure for controlled repetition across roughly 4 sentences.
Mastering Modal Verbs for Nuance
Modal verbs add layers of meaning to English sentences, expressing ability, possibility, permission, obligation, and probability. Unlike regular verbs, modals don't change form for person or tense and are followed by bare infinitives (can go, must leave). Understanding modal distinctions is crucial: "must" expresses strong obligation while "should" suggests advice; "can" indicates ability or permission while "may" sounds more formal; "might" and "could" express tentative possibility. Modal perfect forms (could have gone, should have known) refer to past possibilities and regrets. Mastering modals enables precise communication of attitude, certainty level, and social relationships. These small words carry significant interpersonal weight in English interaction.