CONDITIONAL SENTENCE

Conditional Sentence

Conditional sentences are sentences containing actual implications or suppositional situation and their effects or outcomes that follows previous situation.

TYPE 1

If Clause Main Clause

If+ Simple Present will futureor infinitive

or modal + infinitive

Example : If the engineers improve solar energy products, they will save our planetFact : It is possible that engineers develop solar products, then our planet will be saved from running out unrenewable energy Use : It is possible to fulfill a condition which is given in the if-clause

TYPE 2TYPE 2If Clause Main Clause

If+ Simple Pastwould + infinitivecould + infinitivemight + infinitive

Example : If the ecologists neglected ecological understanding, the ecosystems would get worseFact : The ecologists do not neglect the ecological understanding. Therefore, the ecosystem is getting better. Use : It is theoretically possible to fulfill a condition which is given in the if-clause

TYPE 3

If Clause Main Clause

If+ Past Perfectwould + have + past participlecould + have + past participlemight + have + past participle

Example : If the Titanic’s marine engineers had increased the strength of the ship the ship would not have sunk. Fact : The Titanic’s marine engineers did not increase the strength of the ship. Thus, the ship sank.Use : It is impossible to fulfill a condition which is given in the if clause

TYPE 0

If Clause Main Clause

If+ simple present simple present

Example : If you heat water to 100 degrees celcius, it boilsFact : Water always boils at 100 degreesUse : It represents general (universal) truth, general fact, scientific truth