Present perfect tanse

F:l have seen Peter this morning.
Draving of the present prefcet
*
*
eat
now
Tom finished eating sometime before now The exact times not important
GONE TO
For the speaker, the actress is clear
[Verb] 1) Past participle of go
[adjective] No longer present, deported
[Informal] Having reached a specified time in a prognancy
[ Proposition ] (of time) past
F. She has gone to shop
BEEN TO
Been to - means that you have travelled to some place and have already returned
F. She's been to Rome on holiday twice
This tanse representes can action that was complate by a certain time in the past tense
Actions complate up to certain time in the past tense (by)is given through the preposition
F:by exam ,By new year
POSITIVE FORM
S+had + V3/ed +ob +kw
F; He had read book 2 o'clock
INTERROGATIVE FORM
Had + S+ V3/ed +ob + kw
F: He had planned works by holiday
NEGATIVE FORM
S+hadn't+ V3/ed + ob + kw
F: l had't done homework by lesson
USING!!!
The past tense indicates actions that were completed at a certain time
F;l had finished work by New Year
POSITIVE FORM
S+had +V3/ed +ob +before+S+V3/ed +ob
F: Peter hadn't come to the lesson before teacher entered
Draving of the past perfect
*
*
F: Tom had already eaten when his friend arrived
First Tom finished eating later his friend arrived Tom's eating was comp lately finished before another time in the past
FUTURE PERFECT TENSE
Work that will complated by a certain time in the future is given by actions (by or next by)