Subject Verb Agreement: Present Perfect
Read the following sentences and choose the verb that agrees with the subject.
- None of the people on the first season of Big Brother (have/has) become famous.
- Some singers from American Idol (have/has) produced records.
- Why (haven’t/hasn’t) the police found a suspect yet?
- Who (haven’t/hasn’t) completed their homework yet?
- (Have/Has) the news mentioned anything about the stock market?
- Some of the state’s best teachers (have/has) worked at this school.
- The reservation (haven’t/hasn’t) been confirmed yet.
- None of those medications (have/has) been approved by the FDA.
- The government (haven’t/hasn’t) done much to improve the roads.
- The government officials (have/has) focused on other projects.

