Lesson 12 · 这个季节天气变化很快
Discuss weather changes with alternative choices, extended direction complements, and scope adverb `就`.

Listen and Read
React to changing weather and choose what to do next.
Core Words
Practice the words that carry this lesson's dialogue, patterns, and final question.
Pattern: Extended `起来`
`起来` can show that an action starts or a new state begins.
Pattern: Scope Adverb `就`
Scope `就` shows the speaker thinks the amount is small, light, or limited.
Pattern: Extended `下来`
`下来` can show that a state settles, lowers, or becomes stable after change.
Pattern: `或者...或者...`
Repeat `或者` before two possible choices in a statement. Use it when both choices are acceptable possibilities.
Learning Note
Weather is a good place to practice complements.
`起来` often marks a start, while `下来` often marks settling or lowering. Use the weather context to feel the difference.
Practice
Choose the started-change sentence.
Which sentence uses `起来` naturally?
Practice
Choose the alternative-choice sentence.
Which sentence uses `或者...或者...` correctly?