Eleven 把-related sentences containing grammar errors (e.g. 我把作业已经交给老师了): how do we explain these errors?
(11) 别当我作傻子了。 --&gt; 别把我当傻子了
another way to fix it is use &quot;当是&quot; instead of &quot;当作&quot; e.g. 别当我是傻子了
[当][我][是][傻子] is [v] + [n] + [v] + [n]
[当(我)作][傻子] is [verb + (n) + verb complement] + [n] (we don't insert noun between verb and verb complement)

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(8) 顾客把一些水果[放]在购物篮里[了] --&gt; 顾客把一些水果[放了]在购物篮里
If 了 is treated as a verb particle that indicate the action is completed, it is more effective to place it directly after the verb 放
If 了 is treated as a final particle that indicate change of situation, the sentence seems incomplete (what made the customers not put some vegetable in the basket before?)