CONDITIONAL SENTENCE. Conditional Sentence Conditional sentences are sentences containing actual...

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