1. My mom made pizza. My fmily liked it.

2. My mom made pizza. My fmily liked one.

3. My mom made pizza. My fmily liked the pizza which my mom had made.

4. My mom made pizza. My fmily liked the pizza which my mom made.

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Does #1 mean #3? Can we use 'one' instead of 'it' as in Sentence 2?
Can we use #4 instead of #3? You could see the difference in tense.

Be sure to correct the word "family" in each sentence.

Yes, 1 means 3; it also means the same as 4. Yes, I see the differences in tenses, but 3 and 4 still mean the same thing. Sentence 4 is just a bit more casual, though.

Using "one" instead of "it" (sentence 2) doesn't work, though.

1. My mom made pizza. My family liked it.

2. My mom made pizza. My family liked one.

3. My mom made pizza. My family liked the pizza which my mom had made.

4. My mom made pizza. My family liked the pizza which my mom made.

1, 3, and 4 are fine.

2 is not.

Let's analyze each sentence to understand the differences and similarities:

1. "My mom made pizza. My family liked it."
In this sentence, the pronoun "it" refers back to the noun "pizza," indicating that the family liked the pizza made by the mom. There is no specific reference to which pizza was made.

2. "My mom made pizza. My family liked one."
Here, the word "one" is used instead of "it" to give specific emphasis that the family liked a particular pizza out of multiple options. The word "one" refers to a singular pizza among several.

3. "My mom made pizza. My family liked the pizza which my mom had made."
Sentence 3 emphasizes the pizza in a similar way as sentence 1, but with the addition of the phrase "which my mom had made." This indicates a past tense, suggesting that the pizza is now being referred to in relation to the past action of the mom making it.

4. "My mom made pizza. My family liked the pizza which my mom made."
Sentence 4 is similar to sentence 3 but uses simple past tense instead of past perfect tense. Both sentences 3 and 4 convey the same idea that the family liked the specific pizza made by the mom.

To answer your questions:
- Sentence 1 and sentence 3 are similar in meaning since they both convey that the family liked the pizza made by the mom.
- In sentence 2, "one" is used to refer to a specific pizza liked by the family.
- Both sentence 3 and sentence 4 can be used interchangeably to convey the same meaning, despite the difference in tense.