Simple past grammar

Condicionales

ZERO: if+ present simple + present simple

If you  HEAT the water to 100 degrees , it boils

1 CONDICIONAL if +present simple + future ,can ,may

If you STUDY Hard, you WILL PASS the exam

2 CONDICIONAL  if + past Simple+would,could,might

If I WON The lottery , I WOULD NUY  a big house

3 CONDICIONAL if + past perfect+would/could/might +have +past part Had studied  harder , I WOULD HAVE PASSED  all my subjets

PASIVE VOICE

                                  Active                         passive

Present simple         makes (Present. S)        is/are made (Past part)

Past simple               Made (past simple)       was/were made (past part)

Future simple           will made (past simple) will be made (past part)