When you reach home  

is not a question, but rather a part of a sentence. When you

  reach home, you will find your lunch on the table. What  

does the latter mean in this story? When did you reach your return? "An person is in pain and then suddenly reach home. Does the person feel guilty? Also, please note, it is
“When you reach home,…”
and not “When you reached home”

in Hindi.

A question head by a Wh-interrogative always require an auxiliary verb in the second position; this is followed by subject then lexical verb in its infinitive form.

In the second point, “A : I can be there tomorrow.” So if you ask an auxiliary verb in

the query form, you use that both as auxiliary verbs (of inadvertent question) and as the answer result, you use that in the second sentence… [ A: I can be there tomorrow. I’ve always wanted to say that.” When aux can subj you _inf live?

If it does not involve an auxiliary verb, you use do as a generic auxiliary in the second position… [

E : I reached home yesterday). In a short time when _au went _to your _home?

Is it an unusual method of expressing this thought in Standard English?

When did you arrive home?

When will you be making a prediction?

A question head by a Wh-interrogative always require an auxiliary verb in the second position; this is followed by subject then lexical verb in its infinitive form.

In the second point, “A : I can be there tomorrow.” So if you ask an auxiliary verb in

the query form, you use that both as auxiliary verbs (of inadvertent question) and as the answer result, you use that in the second sentence… [ A: I can be there tomorrow. I’ve always wanted to say that.” When aux can subj you _inf live?

If it does not involve an auxiliary verb, you use do as a generic auxiliary in the second position… [

E : I reached home yesterday). In a short time when _au went _to your _home?

Is it an unusual method of expressing this thought in Standard English?

When did you arrive home?

When will you be making a prediction?

A question head by a Wh-interrogative always require an auxiliary verb in the second position; this is followed by subject then lexical verb in its infinitive form.

In the second point, “A : I can be there tomorrow.” So if you ask an auxiliary verb in

the query form, you use that both as auxiliary verbs (of inadvertent question) and as the answer result, you use that in the second sentence… [ A: I can be there tomorrow. I’ve always wanted to say that.” When aux can subj you _inf live?

If it does not involve an auxiliary verb, you use do as a generic auxiliary in the second position… [

E : I reached home yesterday). In a short time when _au went _to your _home?

Is it an unusual method of expressing this thought in Standard English?

When did you arrive home?

When will you be making a prediction?