indicating frequency
39.4
Pattern 2: verb + frequency + object noun phrase
The frequency expression can occur between the verb and its object.
她坐过一次飞机。(遍 biàn cannot be used here.)
她坐過一次飛機。
Tā zuòguo yī cì fēijī.
She’s ridden on a plane once.
我给他打了两次电话。(遍 biàn cannot be used here.)
我給他打了兩次電話。
Wǒ gěi tā dǎ le liǎng cì diànhuà.
I called him on the phone twice.Pattern 3: object noun phrase, verb + frequency
If the verb takes an object, the object may be topicalized and presented first in the sentence:
那个电影，我看过两次。(遍 biàn can be used here.)
那個電影，我看過兩次。
Nàge diànyǐng, wǒ kànguo liǎng cì.
That movie, I have seen it twice.
西安，我去过一次。(遍 biàn can be used here)
西安，我去過一次。
Xī’ān, wǒ qùguo yīcì.
Xi’an, I’ve been there once.C57.1.2.1