Is Jack now is in China correct?

No, because now is adv(Adverb) You should learn how to use adverbs 1When there is an action verb in a sentence, the adverb can exist in different positions 2

When there are verbs be, modal verbs, and verbs in a sentence, the position of adverbs.

This is a knowledge point that I hope will help you.

No, he is now in China, and no.

Jack or he should be followed by verb

So he is in China now or now he is in China

The position of the temporal adverbial now is a bit problematic, usually in English it is customary to put the temporal adverbial at the beginning or end of the sentence, so it can be said that jack is in China nowor now, jack is in ChinaLooks better!

If it is a question sentence, it can be is jack in China, now?

No grammatical errors, just a matter of habit.

This is Chinese-style English, which is generally not used in this way, so it is wrong.

No, this is not in line with English colloquial habits, to the point of typical chinish

Personally, I think it's okay.

Hello, I'm Jack and I'm from the United States. My parents and I are now in China, and I love China and the food back in China. I had breakfast at A's house, I ate an egg, bread and cereal for breakfast, I don't like milk.

I didn't have time to go home for lunch, so I had lunch at school. Lunch at our school was good and I was able to eat different foods for lunch. I eat rice, meat, and vegetables.

I eat noodles and dumplings for something. I was at home for dinner with my parents. Sometimes we go out to eat with our friends.

We eat fish, meat, vegetables and fruits.

Classmates, there are a lot of wrong words.

Hello. My name is Jack and I'm from the United States. Now I live in China with my parents.

I like China, and I like China.

jack shows interest in chinese.

Jack is interested in Chinese.

is in china now.

Mr. Green is now in China.

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Good luck with your studies.