Zero And First Conditional
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Publicado: 9 de diciembre de 2012
ZERO AND FIRST CONDITIONAL. REVIEW
A | B |
- Most metals rust if they come in contact with water and oxygen.- Iron rusts more quickly if it’s near the ocean.- If you put an egg onsalty water, it floats.- If you hold dry ice, it burns your skin. | - If we are successful, we will save many lives.- If we can infiltrate the wild population with these malaria-freemosquitoes, we will eradicate the disease.- If you have one of these filters, you will never need to change the oil in your car.- If we get financial backing, these wonder- filters will be availablesoon. |
1. Which sentences express a general truth or fact? (zero conditional)
2. Which sentences express a real future possibility? (first conditional)
3. What tenses areused in those conditionals?
* Zero conditional:
* First conditional:
ZERO AND FIRST CONDITIONAL
* Sentences describing a general truth or fact use the present tense inboth clauses. (Zero conditional).
Example: Most metals rust if they come in contact with water and oxygen.
* Sentences talking about a real future possibility use a clause in presenttense (the clause starting with “if”), and another clause in future tense with the auxiliary “will”. (First conditional).
Example: If you have one of these filters, you will never need tochange the oil in your car.
* In both cases, the clause starting with “if” conditions the other clause (this clause depends on the other clause starting with “if”. It is only true if theother is also true.)
* In both cases, the clauses can invert their order. However, a comma is needed at the end of the clause starting with “if” if it starts the sentence. If it comesin second place, a comma is not needed.
Examples: If we are successful(,) we will save many lives. (Comma needed).
We will save many lives if we are successful. (No comma needed).
A | B |
- Most metals rust if they come in contact with water and oxygen.- Iron rusts more quickly if it’s near the ocean.- If you put an egg onsalty water, it floats.- If you hold dry ice, it burns your skin. | - If we are successful, we will save many lives.- If we can infiltrate the wild population with these malaria-freemosquitoes, we will eradicate the disease.- If you have one of these filters, you will never need to change the oil in your car.- If we get financial backing, these wonder- filters will be availablesoon. |
1. Which sentences express a general truth or fact? (zero conditional)
2. Which sentences express a real future possibility? (first conditional)
3. What tenses areused in those conditionals?
* Zero conditional:
* First conditional:
ZERO AND FIRST CONDITIONAL
* Sentences describing a general truth or fact use the present tense inboth clauses. (Zero conditional).
Example: Most metals rust if they come in contact with water and oxygen.
* Sentences talking about a real future possibility use a clause in presenttense (the clause starting with “if”), and another clause in future tense with the auxiliary “will”. (First conditional).
Example: If you have one of these filters, you will never need tochange the oil in your car.
* In both cases, the clause starting with “if” conditions the other clause (this clause depends on the other clause starting with “if”. It is only true if theother is also true.)
* In both cases, the clauses can invert their order. However, a comma is needed at the end of the clause starting with “if” if it starts the sentence. If it comesin second place, a comma is not needed.
Examples: If we are successful(,) we will save many lives. (Comma needed).
We will save many lives if we are successful. (No comma needed).
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