do, due, dew

Do or do means to perform an action--
I am going to do some baking.
Will you do the wash?
Do or do may describe how well something is performed--
They always do well.
They do that very well.
Do has several slang or colloquial uses--
To do time means to  serve a prison sentence--
We hope he won't have to do time.
 To do in  means to kill or murder--
They planned to do him in.
To do without means to  lack or need--
We will have to do without a phone until the repairman gets here.
To do over means to  refurbish--
They want to do the whole house over.
Do's and don'ts mean shoulds and shouldn'ts--
Here are some do's and dont's that everyone should know.
To  have to do with means to be involved in--
We don't want anything to do with that.
To make do means to use what is available--
There are no plates. Well, we'll just have to make do.
To do away with means to abolish--
The school plans to do away with some of the sports programs.
 A "do" is a hairdo--
I like your new do. It's very flattering.
A "do" may also be  a party--
They're having a do on Saturday.
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Due or due ( rhymes with do ) means payable or owed--
The bill for the birthday cake is due on Monday.
The library books are due tomorrow.
Due or due may mean expected--
The train is due at three o'clock.
It may mean an expected birth--
When are you due?
She is due in September.
Due may mean attributable to a particular cause--
Game called due to rain.

Dew or dew ( rhymes with new ) is the moisture that forms on the ground overnight--
If you go out early, the grass will be wet with dew.
The chairs are wet from the morning dew.

Now that you know that you can say--
"Due to the dew on the grass, we will have to do our grilling on the porch."

Not to be confused with doo, or doo-doo, which is something in which one should not step.