CONDITIONAL SENTENCE

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CONDITIONAL SENTENCE
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Conditional Sentence
Conditional sentences are sentences containing
actual implications or suppositional situation
and their effects or outcomes that follows
previous situation.
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TYPE 1
If Clause Main Clause
If Simple Present will future or infinitive or modal infinitive
Example If the engineers improve solar energy products, they will save our planet Fact 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 Example If the engineers improve solar energy products, they will save our planet Fact 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
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TYPE 2
TYPE 2
If Clause Main Clause
If Simple Past would infinitive could infinitive might infinitive
Example If the ecologists neglected ecological understanding, the ecosystems would get worse Fact 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 Example If the ecologists neglected ecological understanding, the ecosystems would get worse Fact 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
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TYPE 3
If Clause Main Clause
If Past Perfect would have past participle could have past participle might have past participle
Example If the Titanics marine engineers had increased the strength of the ship the ship would not have sunk. Fact The Titanics 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 Example If the Titanics marine engineers had increased the strength of the ship the ship would not have sunk. Fact The Titanics 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
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TYPE 0
If Clause Main Clause
If simple present simple present
Example If you heat water to 100 degrees celcius, it boils Fact Water always boils at 100 degrees Use It represents general (universal) truth, general fact, scientific truth Example If you heat water to 100 degrees celcius, it boils Fact Water always boils at 100 degrees Use It represents general (universal) truth, general fact, scientific truth