编写剧本是一个需要细心和技巧的过程，无论是电影、电视剧还是舞台剧，剧本的格式都是至关重要的。一个标准的剧本格式不仅能让编剧更好地组织思路，也方便导演和其他剧组人员阅读和理解。本文将详细介绍如何写剧本格式，并提供一些范文示例以供参考。

一、剧本格式的基本要素

  1. 标题页：包括剧本标题、编剧名字、联系方式及日期等基本信息。
  2. 标准边距和字体：通常情况下，剧本应使用12号Courier字体，左右边距为1.5英寸（约3.8厘米），上下边距为1英寸（约2.54厘米）。
  3. 场景编号：每个独立的场景都需要一个唯一的场景编号，通常位于页面顶部。
  4. 场景描述（Scene Heading）：包含地点、时间和具体环境的描述，例如“INT. COFFEE SHOP - MORNING”。
  5. 角色名称：角色对话前需标明说话人的名字，通常居中显示。
  6. 对白：角色的对话内容放在角色名称之下。
  7. 动作指示（Action Lines）：描述角色的动作、表情或内心活动，用圆括号括起来。
  8. 过渡性指示：如“CUT TO:”、“FADE IN:”等，用于场景之间的转换。
  9. 页码：每页右下角标注页码，便于查阅。

二、剧本范文示例

示例一：电影剧本

FADE IN:

EXT. PARK - DAY

A little girl, LILY, is playing with her dog when suddenly a UFO lands nearby. Her eyes widen in shock and excitement.

CUT TO:

INT. LIVING ROOM - NIGHT

Tom and his friends are watching TV when they hear a strange noise outside. Tom gets up to investigate.

CUT TO:

EXT. DRIVEWAY - NIGHT

Tom walks out to find the UFO from earlier. The being inside it steps out and gestures for Tom to come closer.

示例二：舞台剧本

ACT ONE

SCENE 1

INT. SMALL APARTMENT - EVENING

(The room is dimly lit. A single lamp on a table casts a warm glow. There is an old sofa against one wall, and a small bookshelf opposite it. JACK sits on the sofa, reading a book. He looks up as ANNA enters the room.)

ANNA: (anxiously) Jack, we need to talk. There's something important I have to tell you.

JACK: (closing his book and putting it aside) Sure, Anna. What's going on?

ANNA: I... I don't know how to say this, but... I think I might be pregnant.

(Jack stands up, his face a mixture of surprise and concern.)

通过上述示例可以看出，不同的剧本类型在格式上略有差异，但基本原则是一致的。掌握这些基本规则后，你可以根据具体的创作需求进行调整。希望本文对你有所帮助！