Mandarin · Chapter 35 · Lesson 3 · Grammar primer
Topic comment fronting
Grammar for HSK 6.
The short version
Never resume a fronted topic with 它 (tā)
这本书我看过 (zhè běn shū wǒ kàn guò) fronts the object and then leaves that slot inside the comment empty. English trains you to copy the object back in as a pronoun, and 这本书我看过它 (zhè běn shū wǒ kàn guò tā) is the classic learner tell. The topic names the thing once; the comment does not repeat it.
这本书我看过。 zhè běn shū wǒ kàn guo
That's the gist. The full article goes deeper - more examples, the edge cases, the why - and the practice below scores like a vocabulary session and earns the same XP.
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10-question session
One question at a time, mixed across the exercises in this lesson. Miss one and it comes back round before the end. There are 24 in all: practise more afterwards if you want them.
Lesson 3 of 11 in this chapter