and并列结构的省略问题

You could see red, white and yellow flowers in it.

My mom and I used to walk around them and ____ (enjoy) their smells.

填 enjoyed 和 enjoy 都可以吗？若用enjoy, 视为 and 并列了used to 后的 to walk 和 (to) enjoy,若用 enjoyed, 视为 and 并列了used to walk 和 enjoyed. 盼望专家老师权威详解，谢谢。

used to do 表示过去的习惯性动作，现在已经不这么做了。

每次的walk 和 enjoy 都是同时发生的，二者显然是并列关系。walk 为不定式，enjoy 也必须是不定式，只能用 enjoy（承前省略to）。用 enjoyed 和used to walk并列既是逻辑错误，也为语法错误，违反了平行原则。

曹荣禄 -

擅长：动词用法,句法问题 | 采纳率 82% | 回答于 1秒前

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陈才 - 英语教师 1秒前

擅长：中考英语,词法问题

You could see red, white and yellow flowers in it.

My mom and I used to walk around them and enjoy (enjoy) their smells.

填动词原形enjoy,与前面walk构成平行对等/对称

结构为：主语+used to do sth(1) and do sth(2)

汉语意思为：主语过去常常/经常做动作1和动作2