Questions & Answers about Tā zǎofàn chángcháng chī miànbāo.
The neutral, very common order is: Subject + Time + Frequency + Verb + Object.
- Given: 她 早饭 常常 吃 面包。
Two other natural options:
- 她 常常 早饭 吃 面包。 (frequency before the time phrase)
- 早饭 她 常常 吃 面包。 (topicalized: “As for breakfast, she often eats bread.”)
All three are acceptable. Fronting 早饭 makes “at breakfast” the topic and gives it a bit more emphasis.
No. Here 早饭 functions as a time phrase (“at/for breakfast”). The thing being eaten (the object of 吃) is 面包.
- “to have breakfast” is 吃早饭.
- In this sentence we’re saying what she eats at that time: 吃面包.
Not as 在早饭 by itself. If you want to use 在, make it a time expression with 时/的时候:
- 她 常常 在 早饭时 吃 面包。
- 她 常常 在 吃早饭 的时候 吃 面包。 Using simple 早饭 without 在 is also perfectly natural, as in the original.