Conditional Sentences

1.       Type 1 (real)

® to show possible happen.

There is no fact

Rule : - if if clause use in front of sentences , so you have to use comma.

          - if result/main clause use in front of sentences, so you don’t use comma.

Example :

If I get my sallery in this month,  I will buy bag.

          If clause                                   main clause

2.       Type 2 (unreal present)

®impossible to happen in present

There have fact and use “were” whatever subject

Example :

If I were bird , I would fly

   If clause         main clause

Past tense        past future

Fact : I’m not a bird si I can’t fly

Contras meaning → if if clause (+) so fact (-)

                               If if clause (-) so fact (+)

3.       Type 3 (unreal past)

®impossible to happen in past

There have fact

Example : if I had studied hard, I wouldn’t have passed exam

                      Past perfect                   past future perfect

Fact : I didn’t study hard so I didn’t pass exam

Conclusion of conditional sentences

                         If clause                                            main clause                                      fact

Type 1    →  present tense (s+v1+O)                 present future (s+will+v1+O)                  no fact

Type 2   → past tense (s+v2+O)                        past future (s+would+v1+O)                     (+/-)

                                                                                                                               present tense  (s+v1+O)

Type 3   →past perfect (s+had+v3+O)               pat future perfect                                       (+/-)

                                                                           (s+would+have+v3+O)                past tense (s+v2+O)