Me too, So do I, So am I.
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Those are used as short statements to show we share the same (positive)circumstances with the
previous statement.
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If there is "be" (am/is/are) in the sentence, you should reply with "so am I".
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If there is verb without 'be verb' in the sentence, you should use "so do I".
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I am tired. - Me too. (auxiliary - the verb "to be" )

So am I.

Let's learn Tag questions

Tag questions (or question tags) turn a statement into a question. They are often used for checking information that we think we know is true.
Tag questions are made using an auxiliary verb (for example: be or have) and a subject pronoun (for example: I, you, she). Negative question tags are usually contracted: It's warm today, isn't it (not 'is it not'

Usuall

The expression 'V3' in this photo means: Third column of the verbs or past participle.

Dear students here you have some rules which show how can you transform sentences from Direct to Indirect Speech.