यदि एक भाषा शिक्षक 'स्कूल, शिक्षक, प्रधानाध्यापक, चपरासी' शब्दों को एक समूह में रखता है, तो वह निम्नलिखित में से किस समूहीकरण का पालन कर रहा/रही है?

Which principle of language teaching provides a structure for essential learning and helps the teacher know the aims and objectives of the course in advance to complete the syllabus systematically?

A teacher teaches her students questions starting with the 'Do' form (e.g., 'Do you like it?') before moving on to questions with interrogative WH-words (e.g., 'What do you like to eat?'). This instructional sequence is associated with which principle?