The two keys to writing good dialogue I have already looked at are...
The third key to writing good dialogue is to make it flow, and that means making the conversations in your novel read effortlessly and look good on the page.
There are three ways to achieve this...
You know what dialogue tags are - he said, she said and the like.
They're useful little things. But beware of overusing them. Conversations in a novel will sound like games of ping-pong if you have a tag after every single line...
"Hello," said Frank. "How are you doing?"
"Fine," said Mary. "I hear you're getting married."
"That's right," said Frank.
"When's the big day?" asked Mary.
"Next week," said Frank.
On the other hand, beware of using too few dialogue tags as well. Because there is nothing more annoying for a reader than having to count back lines to work out who is speaking.
Another good piece of advice is to stick to the simple tags - like said and asked. Using dialogue tags like exclaimed or interjected or screeched makes the dialogue sound amateurish.
Adverbs make it sound amateurish, too (as in, "Mary said excitedly"). If you want to demonstrate Mary's excitement, describe her fidgeting in her chair or bouncing on the balls of her feet while she speaks.
"When something can be read without effort, great effort has gone into its writing."
- Enrique Jardiel Poncela
Writing good dialogue in a novel is ultimately about keeping the readers reading.
Boring them is likely to have the opposite effect, which is why it is so important to make your passages of dialogue flow beautifully.
Here is why varying the length of the lines matters:
...it can all sound a bit same-ish. A better conversation would look like this:
(I should point out, by the way, that the example right above isn't a blueprint, merely one example of how to shake up your novel's conversations. This section might be full of rules on writing good dialogue, but you should never follow them slavishly at the expense of using your natural instincts.)
Having one line of speech, followed by another, then another, then another can sound like ping pong again - even if you do vary the length of the speeches.
To overcome this problem, try freezing a conversation for a few sentences while you...
"In fiction people speak in shorter bursts than they do in life. If you have ever listened to a politician or had a loved one go to the trouble of telling you everything he can't stand about you, you know that in print such dialogue would run for pages upon pages."
- Jesse Lee Kercheval
This before/after example demonstrates all of the key points to remember when writing dialogue that flows...
"What do you fancy for dinner, Sarah?"
"What have you got?" she enquired.
"Not much," Frank admitted. "I think I could stretch to pasta, though. And there's cheesecake for dessert."
"Cheesecake's my favorite," Sarah replied.
"Then later I thought we could catch a movie," Frank said cautiously.
"We could," Sarah said. "But I've got a better idea."
"What do you fancy for dinner, Sarah?"
"What have you got?"
Frank opened the fridge, stood on his tiptoes to search the top shelf. "I could stretch to pasta," he said. "And there's cheesecake for dessert."
"Cheesecake's my favorite."
"Then later I thought we could catch a movie."
"We could," Sarah said as she poured the Chardonnay. Large glasses. "But I've got a better idea."
Next Step: One of the biggest problems beginners have with writing great dialogue is stopping all the characters sounding the same.
I tackle this problem head-on in How to Write Dialogue With Distinction...