Present Perfect

speak - spok - spoken

speak - spoke - spoken

spik - spoke - spoken

give - gave - guven

give - gove - given

give - gave - given

have open

have opened

has opened

has written

has wrote

have write

have read

has read

has readed

has closed

has close

have closed

has make

have make

has made

have lost

has lose

has lost

have eaten

have ate

have eat

have asked

has asked

has ask

have finished

have finish

has finished

have decided

has decided

has decide

Has ... done

Have ... did

Have ... done

Tom just has not watered the flowers.

Tom has not watered the flowers yet.

Tom have not watered the flowers.

Tom has not water the flowers yet.