past tense vs present prefect

PAST TENSE
Past Tense adalah untuk menyatakan peristiwa yang telah “Lampau”.
Rumus Past Tense:
Positif: S + V2
Negatif: S + did not + V1
Tanya: Did + S + V1
V2 maksudnya adalah Kata Kerja atau Verb bentuk ke-2. bahwa kata kerja bantu “DO” bentuk present DO, bentuk keduanya (Bentuk Past) adalah DID.Contoh Kalimat Past Tense:
-I launched this blog on july 14th 2009
Artinya:
Saya meluncurkan atau launching blog ini tanggal 14 juli 2009.Sudah lewat kan?
Kata kerjanya bentuk kedua “launched”, ini tergolong kata kerja beraturan, tinggal tambahkan ED di belakang launch.misalnya kata kerja bentuk 1-2-3 berikut:
see – saw – seen (melihat)
launch - launched - launched (meluncurkan)
study-studied-studied (belajar)

-I saw her standing there (Saya lihat dia berdiri disana).
-They went to Tokyo last mont
-We studied english together
- I launched this blog on maret 14th 2010
Kalimat Negatif Past Tense
rumusnya: S + did + not + V1
Kata kerjanya berubah menjadi bentuk pertama (V1).
V1 -V2 – V3: Do – Did – Done.

Kalimat positif, kita jadikan negatif:
-I saw her standing there
Menjadi: I did not see her standing there

saw menjadi see. See-saw-seen.

Positif: My Father bought this car last year
Negatif: My Father did not BUY this car last year.
Kalimat Tanya Past Tense
Positif: My Father bought this car last year
Tanya: Did My Father BUY this car last year.
tambahkan dengan When,
-When did my father buy this car?
Present Perfect

[has/have + past participle]

Examples:

* You have seen that movie many times.
* Have you seen that movie many times

Rumusnya Present Perfect Tense begini:
Positif: S + have/has + V3
Negatif: S + have/sas Not + V3
Tanya: Have/has + S + V3

bentuk kata kerja untuk Go adalah: Go-went.

Contoh lainnya:

-I have written english lesson for 30 minutes
-You have read my lesson since 2 PM
Perhatikan perubahan kata kerja:
Write – wrote – written (berubah)
kalimat positif:
-I have cleaned the floor
-He has drunk milk
-You have just broken the glass