Ver. 1-3. In these days was Hezekiah sick unto death,
Ver. 2 (See Gill on 2 Kings 20:1) Ver. 3 (See Gill on 2 Kings 20:1)2 Kings 20:4

And it came to pass, afore Isaiah was gone out into the middle
court
Of the king's palace, which is called the other court within the porch, ( 1 Kings 7:8 ) so it is according to the marginal reading, which we follow; but the textual reading is, "the middle city"; Jerusalem was divided into three parts, and this was the middle part Isaiah was entering into: but before he did, so it was,

[that] the word of the Lord came to him, saying;
as follows.