EXAMPLE These are my books = Thisis my book This is a nower Longrightarrow fowers That is abox.Longrightarrow boxes That is my father Longrightarrow myparents Are those your friends?- square your friend? What are those things?-What square thing? These documents are important Longrightarrow important Are these your shoes?=3 square your shoe? B That's a good car:Longrightarrow good cars. This is John.Longrightarrow John John and Carla (10) These are cheap computers. = a cheap computer.

The pattern in the examples seems to be inconsistently applying singular/plural forms and sometimes extracting adjectives or nouns. The provided logic is flawed and doesn't follow grammatical rules. Let's correct the approach for example (10):<br /><br />**(10) These are cheap computers. = cheap computers**<br /><br />The correct transformation should maintain the plural form because the original sentence refers to multiple computers. Simply removing "These are" leaves the correct plural noun phrase "cheap computers."<br /><br />Here's a breakdown of why the other examples are incorrect and how to fix them:<br /><br />* **These are my books = This is my book:** Incorrect. Should be "my books."<br />* **This is a flower => flowers:** Incorrect. Should be "a flower" or "flowers" depending on the intended meaning. The example provides no context to justify pluralization.<br />* **That is a box => boxes:** Incorrect. Should be "a box" or "boxes" depending on context.<br />* **That is my father => my parents:** Incorrect and illogical. No basis for changing "father" to "parents." Should be "my father."<br />* **Are those your friends? - your friend?:** Incorrect. Should be "your friends?"<br />* **What are those things? - What thing?:** Incorrect. Should be "What things?"<br />* **These documents are important => important:** While grammatically correct to just say "important," the context is lost. Better to keep "important documents."<br />* **Are these your shoes? - your shoe?:** Incorrect. Should be "your shoes?"<br />* **That's a good car => good cars:** Incorrect. Should be "a good car" or "good cars" depending on context.<br />* **This is John => John:** Correct.<br />* **John and Carla:** This isn't a transformation, just a noun phrase.<br /><br /><br />The key takeaway is to maintain consistent number (singular/plural) unless there's a clear and logical reason to change it. The examples provided offer no such logical basis.<br />