Я / Кто-либо тоже (реакция на чье-либо высказывание).

1. на утвердительное предложение:

при близком знакомстве с собеседником во всех ситуациях с Я можно использовать Me too:

• – I like this house. – Me too.
• – I've got a terrible headache. – Me too.

или Схема:

• – I like this house. – So do I. = Me too. = I do, too.
• – I like this house. – So does my mother-in-law. = My mother-in-law does, too.
• – She has got a terrible headache. – So have I. = Me too. = I've got, too.

2. на отрицательное предложение:

при близком знакомстве с собеседником во всех ситуациях с Я можно использовать Me either:

• – I don't speak French. – Me either.

или Схема:

• I don't speak French. – Neither do I. / Nor do I. = Me either. = в I don't, either.
• She wasn't invited. – Neither was I. / Nor was I. = Me either. = I wasn't, either.
• He hasn't come. – Neither has my mother-in-law. / Nor has my mother-in-law. = My mother-in-law hasn't, either.