Kalimat If - Clause beserta contohnya

• True in the Prasent / Future

If + Subject + Verb 1 + Object, Subject + will/can + Verb 1 + Object
Contoh :
If I have enough money, I will buy the concert ticket for us.

• Untrue in the Present

If + Subject + Verb 2 + Object, Subject + would/could +Verb 1 + Object 
Contoh :
 If I had a new car, I could travel around the city.

• Untrue in the Past

Subject + Had + Verb 3 + Object, Subject + would have + Verb 3 + Object

Contoh :
If I had visited Japan, I would have seen sakura flowers.

Sumber: http://informasitips.com/materi-pelajaran-bahasa-inggris-mari-belajar-if-clause-kalimat-pengandaian