(Possible solutions:)
- has sent (to send)
- have gone (to go)
- have been (to be)
- have / gone (to go)
- has had (to have)
- have done (to do)
- have / finished (to finish)
- has made (to make)
- has had (to have)
- have drunk (to drink)
For 11-14, check to see that students have written sentences correctly using the present perfect.