教案中常用的语言包括：

热身（Warm-up） :

"Let's get started with a quick warm-up to get everyone in the mood for learning."

介绍（Presentation） :

"Today, we're going to learn about..."

"I'd like to introduce our topic for today: [Topic]."

练习（Practice） :

"Now, let's practice what we've learned. Can you try saying..."

"Who can give me an example of..."

总结（Sum-up） :

"To wrap up today's lesson, we've covered..."

"Let's review what we've learned and make sure we all understand."

作业（Homework） :

"For your homework, I want you to..."

"Think about this question and we'll discuss it in class tomorrow."

小组活动 :

"Ask the students to work in pairs and take turns to make sentences using the note （word）."

"Encourage the students to ask their partner..."

引导幼儿 :

"What is this house？"

"Can you tell me more about..."

创编儿歌 :

"Based on the clues from the song, try to create your own version."

观察与描述 :

"Can you describe the expressions on the character's face？"

"Describe what the character might be feeling."

教案评价 :

"The teaching objectives are clear and meet the curriculum standards."

"The content is scientifically sound and logically organized."

"The teaching content highlights key points to help students grasp the core knowledge."

这些语言片段可以帮助教师在准备和设计教案时，确保教学活动能够顺利进行。