Az alábbi párbeszédben az a feladat, hogy egyszerű jelen vagy folyamatos jelenbe írjuk-e az adott mondatot. Valaki megnézi a javítást, hogy jó-e?

The fire (smoke) horribly. I can’t see across the room.

I (expect) that birds (build) a nest in the chimney.

Why you (not put) wire across the tops of your chimneys?

Tom (do) that sometimes but it (not seem) to make any difference.

The fire is smoking horribly. I can’t see across the room.

I expect that birds are building a nest in the chimney.

Why don’t you put wire across the tops of your chimneys?

Tom does that sometimes but it doesn’t seem to make any difference.