What are the subject and verb of this sentence?

You need to learn how to write correctly.

1.subject is something like you like or your

subject is book for e.g English is a subject

2.verb is words that you use

Explanation:

explanation is some you discuss what happened yesterday

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,