The term "catch up" is generally not hyphenated when used as a verb, as in "I need to catch up on my reading." However, it can be hyphenated as "catch-up" when used as a noun or an adjective, such as in "We have a catch-up meeting scheduled." Always consider the context to determine whether hyphenation is necessary.
Can you, or should you? You can hyphenate it if you're moving between lines in a paragraph and need to break up the word. You shouldn't hyphenate it normally.
Don't hyphenate; ongoing is one word.
You do not hyphenate the number.
I think it's more accepted to hyphenate it.
You hyphenate it only at the hyphen.
You do not need to hyphenate.
No. This phrasal verb is made up of two separate words.
You would hyphenate "thank you" when it is used as an adjective before a noun, such as in "a thank-you card."
You should hyphenate "set up" when it is used as a compound adjective before a noun, as in "set-up process" or "set-up fee." However, when used as a verb phrase, such as "I will set up the meeting," it should not be hyphenated. Always consider the context to determine the correct form.
You mean at the end of a line? Well it depends on how much room you have hyphenate at a syllable is probably best. If you have little space before the end of the line don't hyphenate a word. You could hyphenate like this trans- portation.
No...
You can hyphenate 3 bedroom when it is used in a list. It is usually not hyphenated when it is used by itself.