Questions 1 and 4 are incorrect.

1. is incorrect because 'neither' requires 'nor' to balance it out - it's like a negative 'both/and'. E.g.: "I neither like it, nor do I want it!" (As opposed to, "I both like it, and I want it!")

2. is incorrect because 'I don't like it' is already negative. It can stand alone. Neither, as explained above, is negative. You can say instead, 'I don't like it either'. The 'either' is the balancing element for the negative, 'I don't'.

She retorted, "He neither invited me to his party, nor did I wish to go!"

"I don't enjoy parties either," Thomas answered, gloomily.

Questions 1 and 4 are incorrect.

(1) is incorrect because 'neither' requires 'nor' to balance it out - it's like a negative 'both/and'. E.g.: "I neither like it, nor do I want it!" (As opposed to, "I both like it, and I want it!")

(4) is incorrect because 'I don't like it' is already negative. It can stand alone. Neither, as explained above, is negative. You can say instead, 'I don't like it either'. The 'either' is the balancing element for the negative, 'I don't'.

She retorted, "He neither invited me to his party, nor did I wish to go!"

"I don't enjoy parties either," Thomas answered, gloomily.