that
conjunction
ðət 
ðət rare strong form ðæt ðæt
ðæt ðæt 
1 used after some verbs, adjectives and nouns to introduce a new part of the sentenceShe said (that) the story was true.It's possible (that) he has not received the letter.The fact (that) he's older than me is not relevant.Help
In spoken and informal written English that is usually left out after reporting verbs and adjectives. It is less often left out after nouns.2 so… that… used to express a resultShe was so tired (that) she couldn't think straight.Help
In informal English that is often left out.3 (literary) used for expressing a hope or a wishOh that I could see him again!