Change this sentence into a more grammatically correct version?
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[1/青少年] [2/自殺] [3/越來越] [4/嚴重] [5/這問題] [6/完全] [7/失控]。
[1/Young people] [2/commit suicide] [3/became more and more] [4/serious] [5/this problem] [6/completely] [7/out of control]。
The phrase "自殺越來越嚴重" (commit suicide become more and more serious) itself is awkward, because commit suicide is a verb phrase; 嚴重 is an adjective. Adjective cannot modify verb.
The correct phrasing is:
[1/Young people][2/commit suicide][3/this problem of][4/become more and more ][5/serious],[6/already][7/out of control]。
[1/Young people] [2/commit suicide] [3/this problem of]
"** problem**" is the head noun, "young people suicide" is the relative clause. In English grammar, the head noun is placed in front of the relative clause like so: "This problem of young people commit suicide" but in Chinese grammar, the head noun is placed after the relative clause like so: "青少年自殺這問題"
已經 (already)ties " this problem of young people commit suicide" to the follow up statement " completely out of control" together.
if you don't add 已經. the sentence will be split in two.
-subject (這問題), is omitted, because it is stated in the previous related sentence.
A final grammatically correct edition would be:
" This problem of young people commit suicide became more and more serious, already out of control."