Omission

The wallet a boy found on the steps has been left in my office

• relative pronoun

• relative pronoun and auxiliary

• that

• subject

Phones hacked into included those of celebrities and ordinary people.

• subject

• article

• relative pronoun and auxiliary

• that

Did you know [ ] people are saying [ ] Jill believes [ ] she’s going to be sacked?

• subject

• relative pronoun and auxiliary

• auxiliary

• that

Don’t really know.

• that

• subject

• article

• auxiliary

You going to the party later?

• that

• relative pronoun

• subject

• auxilary

Interesting news this morning.

• pronoun + auxilary

• relative pronoun + auxiliary

• article

• relative pronoun

Teacher said we’ve got an assignment coming up.

• article

• subject

• auxiliary

• relative pronoun + auxiliary

Essay I did last week got full marks.

• Pronoun + auxiliary

• Auxiliary

• Article

• Subject

Not seen him today.

• Pronoun + auxiliary

• Auxiliary

• that

• relative pronoun

Am I bringing the sandwiches?

• relative pronoun

• subject

• nothing, because we don’t omit auxiliary "am".

• article