The computer system ...... (fall) apart already.

The ship ...... (sink) without a single trace.

Some of those bookworms ...... (read) two thick books this afternoon.

The typist ...... (write) six letters today.

Your dogs ...... (keep) barking all day today. You can still hear them barking.

The police officers ...... (catch) the thieves tonight.

The children ...... (finish) their tests already.

Dr Ruppert ...... (already / sign) all her students' booklets.

David's nephew ...... (lose) his wallet today.

The cyclists ...... (not / have) a break all day.

The pianist ...... (not / play) anything this afternoon.

The journalist ...... (interview) two people since lunchtime.