Read the sentence.

all i ask is that you be quiet while i am studying.

identify the mood of the underlined verb in the sentence.

indicative
subjunctive
imperative

The correct answer is SUBJUNCTIVE MOOD.

In "All I ask is that you be quiet while I am studying" the action is expressed in the Subjunctive Mood, which is normally used to reflect the speaker's subjectivity. The structure used is the following:

Verb of demand: ask + that + bare infinitive "BE". (Present Subjunctive).

One remarkable characteristic is that in the Present Subjunctive the bare infinitive form of the verb is used with all the persons. For example, "It is paramount that SHE STAY in silence".

the two answers are

get thee back into the tempest and the night's plutonian shore

on the pallid bust of pallas just above my chamber door

1.the hosts on two opposing mountains stood,  

2.thick as the foliage of the waving wood;  

3.between them an extensive valley lay,  

4.o'er which the gleaming armour pour'd the day,  

5.when from the camp of the philistine foes,

6. dreadful to view, a mighty warrior rose; in the dire deeds of bleeding battle skill'd,