that

[Ju]

1. Tom said he will join the party.
2. Tom said that he will join the party.

Are the above sentences correct?
Do that must be there to complete the sentence in proper structure?

Ju

[emsr2d2]

1. Tom said he will join the party.
2. Tom said that he will join the party.

Are the above sentences correct? Yes.
Does that must have to be there to complete the sentence in proper structure?
OR
Must that be there to complete ....?

No, it's not obligatory.

Ju

emsr2d2