Questions about example sentences with, and the definition and usage of "Now"

A: it means "sometimes"

A: We use this when we think something should have happened at this point in time, but it has not.
"Why hasn't Tom arrived? He should be here by now."
"Is Mary still sleeping? She should be at work by now."
"By now, everyone should have finished reading the book."
"If I had driven the car, we would be there by now."

A: "Every now and then" or "every now and again" (both are used) means "sometimes".

A: now and then = sometimes

For example, "I prefer to drink tea, but every now and then I have a cup of coffee."

A: Not often

Every now then the class will watch a movie instead of completing a new lesson.

A: For now we should stop.
You can play video games for now
For now you should rest
You should rest for now
So for now on, you must listen to me

A: From now on, I will do better in school.

I will go to bed 10 minutes from now.

I will sleep from now until morning.

A: "Now and then" means once in a while.

For example, I don't like broccoli, but I want to like broccoli because I know it's good for me. So every now and then I have broccoli with my dinner and I try to eat it.

Now and then I ask a question on HiNative, but Astrrrid asks questions all the time!

A: This is not a very common expression but here are some examples:

"I am late for work...as of now." (this person could be looking at their mobile phone and watching the time change to 1 minute late).

As of now, I am on a diet. (the moment the decision is made)

As of now, I am unemployed. (minutes after being fired)

This expression is used to talk about any event immediately after it happens.

A: As of now the project is on hold due to the clients uncertainty of the blah blah blah

A: I don't think theres much of a difference in the meaning but some sentences wouldn't sound natural if you use the wrong one.
here are some examples

Ive been studying Japanese on and off for a year
(you can say "I study Japanese every now and then" but on and off sounds more proper here. in the case of studying, it's on and off)

I switch up my car oil every now and then
(here you can not say I switch up my car oil on and off its completely incorrect)

He visits his grandma every now and then
(On and off is also incorrect here)

A: "Right now" is extra emphasized, so it is more immediate, more urgent, more exactly "right this very moment".

Just "now" can be right this minute, but it can also be less exact too sometimes. It can even sometimes be "almost now" or "this is next and soon to do" or "very soon", etc. While "right now" means exactly now with no delay at all.

A: “Now” means “at this time,” “by now” means a period of time ending at this moment, and “for now” means “just for this time.” Examples: “Now we are going to discuss English.” (We are beginning something at the current time.)

“By now you should have read the first four chapters in the book.” (You were assigned the task earlier and need to have completed it by now.)

“For now, we will only discuss the present tense.” (At a later time we will talk about the past and future tenses but for now we are only focusing on the present tense.)

A: You can say what's up to ask how are you doing or what is happening.

You can say what are you up to now to ask what someone is doing at this time.

I don't use and haven't heard anyone say what's up to now.

A: They all have the same meaning

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A: Now , 現在

A: ​‎"Oh now, you just see that skin? It's the same she's been standing in" is a visual way to say the event of her dad leaving affects her now the same as it did the day it happened.

So it literally means "skin." You can't take this portion out by itself and explain it. The song is talking about girls with daddy issues. Meaning they have walls up, can't trust men, and have issues with love because they weren't loved by their fathers growing up.

A: It used to be that when a name ended with an "s" like James, you would use the s' but it's more correctly 's no matter what. So if it's Mary's shirt it's "apostrophe s" and if it's James's shirt it's still "apostrophe s". I hope this helps! I made sure to check with my mom who's an English teacher

A: At least it's less now

A: Both are correct, but #2 is more like an announcement. But both are correct, it'd be more natural to use #1, like with a friend.

A: You would usually say " its 6:30 now" as that sounds more natural :) also if you want you can choose to leave out the "now" and just say "it's 6:30"
Example of conversation
Person 1: What time is it?
Person 2: Its 6:30 now