Leaving out that
We can often leave out the conjunction that, especially in an informal style.
Indirect speech: He said (that) …
That can be left out informally after many common reporting verbs.
- James said (that) he was feeling better.
- I thought (that) you were in Ireland.
- The waiter suggested (that) we should go home.
That cannot be dropped after certain verbs, especially verbs that are normally intransitive – e.g. reply, email, shout.
- James replied that he was feeling better. (not
James replied he was …) - She shouted that she was busy. (not
She shouted she was busy.)
After adjectives: I’m glad you’re all right.
We can leave out that in clauses after some common adjectives.
- I’m glad (that) you’re all right.
- It’s funny (that) he hasn’t written.
- We were surprised (that) she came.
Not dropped after nouns
That is not usually dropped after nouns.
- I did not believe his claim that he was ill. (More natural than … his claim he was ill.)
- He disagreed with Copernicus’ view that the earth went round the sun. (not
… Copernicus’ view the earth went …)
Conjunctions
That can be left out in an informal style in some common two-word conjunctions, such as so that, such … that, now that, providing that, provided that, supposing that, considering that, assuming that.
- Come in quietly so (that) she doesn’t hear you.
- I was having such a nice time (that) I didn’t want to leave.
- The garden looks nice now (that) we’ve got some flowers out.
- You can borrow it provided (that) you bring it back tomorrow.
- Assuming (that) nobody gets lost, we’ll all meet again here at six o’clock.
Relative structures
We can usually leave out the relative pronoun that when it is the object in a relative clause (see here).
- Look! There are the people (that) we met in Brighton.
- Do it the way (that) I showed you.