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TOEFL Structure Part 6: Factual Conditionals-Absolute, Scientific Results


Problem 6 Factual Conditionals-Absolute, Scientific Results
Remember that absolute conditionals express scientific facts. Will and a verb word expresses the opinion that the result is absolutely certain.

CONDITION
RESULT
If
S
V (present)
,
S
V (present)

If
a catalyst
Is used
,
The reaction
occurs
More rapidly
Or
CONDITION
RESULT
If
S
V (present)
,
S
will
Verb word

If
a catalyst
Is used
,
The reaction
will
occur
More rapidly

Avoid using will and a verb word instead of the present verb in the clause beginning with if. Avoid using the auxiliary verbs have, has, do, and does with main verbs in the clause of result.

INCORRECT : If water freezes, it has become a solid.
CORRECT : If water freezes. it becomes a solid.
Or
CORRECT : If water freezes. it will become a solid.

INCORRECT : If children be healthy, they learn to walk at about eighteen months old.
CORRECT : If children are healthy, they learn to walk at about eighteen months old.
Or
CORRECT : If children are healthy, they will learn to walk at about eighteen months old.

INCORRECT : If the trajectory of a satellite will be slightly off at launch, it will get worse as the flight progresses.
CORRECT : If the trajectory of a satellite will be slightly off at launch, it gets worse as the flight progresses.
Or
CORRECT : If the trajectory of a satellite is slightly off at launch, it will get worse as the flight progresses.

Exercises
Part A: Choose the correct answer.

If water is heated to 212 degrees F. _________ as steam.
(A) it will boil and escape
(B) it is boiling and escaping
(C) it boil and escape
(D) it would boil and escape

Part B: Choose the incorrect word or phrase and correct it.

If a live sponge is broken into pieces, each piece would turn into a new sponge like the original one.
(A) (B) (C) (D)

Labels: Structure TOEFL

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