3. usefulness of this form :
1. to declare acts committed past and has
continued until now, such as :
 I have taught english since three years ago
saya telah mengajar bahasa inggris sejak tiga tahun
yang lalu
 He has lived here for eight years
dia telah tinggal disini selama delapan tahun.

4. 2. to explain the actions that have been
completed perfectly, such as :
 I have eaten
saya telah makan
 She has written
dia telah menulis
 I have seen it
saya telah melihatnya

5. 3. to describe an action replay when
uncertain prior to now, such as :
They have heard the problem before
mereka telah mendengar masalah itu sebelumnya
I have already seen her
saya sudah menjumpainya.

6. I/We/You/They + have + Past Participle(V3)
He/She/It + has + Past Participle (V3)
Kalimat negative dibuat dengan
menambah not setelah have/has
Kalimat interrogative dibuat dengan
menaruh have/has di depan kalimat.

7. Simple Present is used to declare an act
commonly performed and expressed an
essential truth or can not be changed.
 Present Perfect to declare acts committed
past and has continued until now and to
explain the actions that have been
completed perfectly.

8. Rumus Simple Present
 Kalimat affirmative
Subject + Infinitive (V1)
 Kalimat negative
Subject + do (es) not + Infinitive (V1)
 Kalimat Interogative
Do (es) + Subject + Infinitive (V1)

9. Simple Present menggunakan Infinitive
atau kata kerja pertama
Pada kata kerja pertama biasanya ada
penambahan s dan es, dimana :
 s digunakan jika kata kerja pertama berakhir
huruf vokal (a,i,u,e,o)
 es digunakan jika kata kerja pertama berakhir
huruf mati.
Present Perfect menggunakan Past
Participle atau kata kerja bentuk ketiga.

10. Example :
 Tom study every day
Tom has already studied
 Tom don’t study every day
Tom hasn’t already studied
 Do tom study every day ?
Has tom studied already ?