It is correct to say "those children", not "this children". You can also say "these children".
The correct way to say it is "These children" for referring to children who are nearby, and "Those children" for referring to children who are farther away.
No, the sentence "I learned the children" is not correct grammatically. You should say, "I taught the children" to convey that you are the one who did the teaching.
No, it is not correct to say "those ones." "Those" is already a plural determiner, so there is no need to add "ones" after it. Just saying "those" is sufficient: "I like those books."
No, it is not correct. The correct way to phrase it would be "Thank you to all of you."
No, it is correct to say "all the children played very nicely together" as "nicely" is the adverb form to describe how they played.
No, "them guys" is not considered correct grammar. The correct phrasing would be "those guys".
Both of those sentences are correct but he first one would be more appropriate to say.
Yes, "None of the children were hurt" is a grammatically correct statement.
The correct answer is to say "the children had their nape hair trimmed."
Yes, it is grammatically correct to say "I am the mother of two children."
No, the sentence "I learned the children" is not correct grammatically. You should say, "I taught the children" to convey that you are the one who did the teaching.
No, it would be "None of the children were hurt"
yes
No. It would be better to just say those or these.
No, it is correct to say "all the children played very nicely together" as "nicely" is the adverb form to describe how they played.
Yes
In American English, the correct answer is "The couple has children." But in British English, they would generally say "the couple have children."
Yes