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Sentence with conjunctions
因为/因為
因为/因為
yīnwèi
‘because, since’
所以
所以
suǒyǐ
‘so, therefore’

HSK2 TBCL2

Common errors

Omission of 所以 in the second clause

When the first clause contains 因为/因為, the second clause must be initiated with 所以. Learners may overlook this point, leading to errors.

*因为天气太冷,我不去。
因为天气太冷,所以我不去。

*因为我学中文,我会说中文。
因为我学中文,所以我会说中文。

*因為天氣太冷,我不去。
因為天氣太冷,所以我不去。

*因為我學中文,我會說中文。
因為我學中文,所以我會說中文。

Errors caused by native transfer

When expressing cause-and-effect relationships in English, usually only one connective is needed, such as “because” or “therefore/so.” However, in Chinese, the structure 因为/因為…所以… is commonly used as a paired construction, and having both parts is correct. Native speakers of English may overlook this due to the influence of English.

Classroom activity

1

The teacher prepares several word cards with sentences, for example:
我很累
我不喜欢运动/我不喜歡運動
我爱吃中国菜/我愛吃中國菜

2

The teacher asks students to take turns drawing a card, reading the sentence aloud, and inviting another student to ask for further explanation and summarise according to the given reason. For example:
Student 1: 我很累。
Student 2:你为什么很累/你為什麼很累?
Student 1: 因为我睡得不好/因為我睡得不好。
Student 2:我懂了。你很累,因为你睡得不好/我懂了。你很累,因為你睡得不好 or 因为你睡得不好,所以你很累/因為你睡得不好,所以你很累。