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Shall is a modal verb used in question form to ask for instructions or for formulating requests in a polite way.

https://open.books4languages.com/english-a2-grammar/chapter/questions-with-shall/

A question tag is a small question at the end of a  sentence which is used to check information, ask for confirmation  (negative tag) or agreement (positive tag).

https://open.books4languages.com/english-a2-grammar/chapter/question-tags-formation/

Wh- questions always begin with one of the wh- question words (interrogative pronouns), which show what kind of information is wanted {see Wh- Questions, A1 Level}.

We can also use them to ask questions about the past.

https://open.books4languages.com/english-a2-grammar/chapter/wh-questions-in-past-form/

Wh- questions always begin with one of the wh- question words (interrogative pronouns), which show what kind of information is wanted {see Wh- Questions, A1 Level}.

The pronoun who is used to ask about the subject of the action.

https://open.books4languages.com/english-a2-grammar/chapter/wh-questions-words-who/

A phrasal verb is a two-part verb formed by a verb and a particle. The particle usually gives a whole new meaning to the verb.

https://open.books4languages.com/english-a2-grammar/chapter/phrasal-verbs/

Prepositional phrases are the result of the combination of the prepositions and other elements of the sentence (verbs) {see Prepositional Phrases, A1 Level}.

A prepositional verb is every verb followed by a preposition.

https://open.books4languages.com/english-a2-grammar/chapter/prepositional-phrases/