FOR her mother. To provide FOR someone. As to "in eleventh grade" versus "in the eleventh grade" - it has become more common to leave the article 'the' out. The use of the article 'the' peaked in the 1940s and has now declined to the point where, it seems, the article is commonly dropped. Have a look at the Ngram viewer graph of phrase frequency.

The results will be ready...soon. In a short time. Maybe not immediately but you won't have to wait long. But 'shortly' is an indefinite term. A minute? An hour? A day? Longer? It depends on the situation. 'prepare' is not quite the right verb. They may already be prepared. Perhaps they just have not been sent out yet.

I'm tempted to click "boxing practice" because they've put one of those boxing punch bags in my gym, and it looks a helluva lot like a sack. And I hit it a few times. So, "I hit the sack!" Ho ho!

You could try! But I doubt I could ever turn chance and dance (chaaarrnce/daaarrncce? tʃɑːns/ ) into that short A that they do in the US and the north of England /tʃæns/) . I'll try it. Wait. "Chaaaarrnnce ... Chaaaarrnce" Nope! Still coming out really long! .... aaaaarrrgh! And "travelling" looks really weird to me with only one L. Traveling? Nope! Looks too short! Short trip not a long one? Ha ha! Mind you, I had a boyfriend from Texas, once upon a time, and he could drag out some words longer than I could! Wonderful accent! Sort of slurred everything. Sounded drunk even when he wasn't. Oh! The memories of times gone by!

I agree with Lisa and Nicole. "Where do you usually keep it/put it?" is probably the most likely set of words I'd say. But where is it usually? sounds ok too.

OK motormouth, I get your point. Shut up now.

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I 'upgraded' to KIDS and TEST - I already have those types of students - but italki seems to want certificates now. I do NOT know what would happen if I did not have certificates for these things. Would they have stopped me teaching children I have been teaching for a long time? We need more information on this, I feel.