A substantial amount of the income of the family was spent on food.
No, you do not always need to put a comma after the word "so" if it is the first word in a sentence. It depends on the context and flow of the sentence.
Example sentence - The twin children had separate classrooms in elementary school.
The root word in "substantial" is "substance," which refers to the essential nature or quality of something.
You can put the word revising in a sentence like this :My cousin was revising her essay before she turned it in.
Yes I can, I can utilize any word in a sentence.
I put the word wool in a ten word sentence.
see How do you put the word countries in a sentence?
The word is put in a sentence like I just did right now.
you have just put it in a sentence....
yes you can put in a sentence
How do you put dissent in a sentence How do you put dissent in a sentence
I can put the word opaque into a sentence. Alternatively, The wall is opaque.
yup u can put it in a sentence
you just put it in a sentence :S
The word dining can be put in a sentence. That itself is a sentence.
Absolutely every word that exists can be put into a sentence.
you can't put that word in a sentence troll face :D