He talks as if he knows everything   = He talks as if he knew everything.

He suggested that smoking should be given up.

= He suggested giving up smoking.

He suddenly jumped on a bus.

He speaks English like English.  = He speaks English like the English.

He speaks as though knew everything.

He told me that I could not do it that way

He said to her, "I'll meet you tomorrow." (Indirect) = He told her that he would meet her the next day. 

He said that he would go home soon

He said a story. = He told a story.

He said, that he had done the work. = He said, "he did the work"

He said, "I shall go to Delhi tomorrow" = He said that he would go to Delhi the day before.

He said, "I came home yesterday". = He said that he had come home the previous day.

The indirect speech of the given sentence is: He exclaimed with sorrow that he was undone.

He reposed to the bed. = He reposed.

He remarked, "Two and two makes four". = He remarked that two and two makes four.