Discussion of 在....期间/在....期間 [zài ... qī jiān] during... - Trainchinese

1 - Construction: place “zai“ immediately after the subject in the subordinate phrase which express the period of time; then at the end of the same subordinate place “qijian“ to obtain the expression about the time period during which happens the action described in the subordinate phrase

在从属分句中表达时间段时，应将‘在’置于主语之后，并于同一从属分句的末尾使用‘期间’，以构成描述从属分句中所述动作发生的时间段的表述。