TOEFL iTP | Written Expression | Because & Because of; Although; During or When/While

We’re back with another Written Expression! IN today’s blog/podcast, which will be a relatively short one, we’ll be talking about the confusion of the expressions below.

Certain expressions, such as because are adverb clause markers and are used only before clauses. Other expressions, such as because of, are prepositions and are used before noun phrases or pronouns.

Adverb Clause Markers: Because, although, when, while

Prepositions: because of, despite, in spite of, during

Sample Items

Because migration to the suburbs, the population of many large American cities declined between 1950 and 1960.

Before a noun phrase (migration), the preposition of must be used.

Despite most people consider the tomato a vegetable, botanists classify it as a fruit.

Before a full clause, (most people consider the tomato a vegetable), the adverb marker although must be used.


Instagram Story Questions

  1. Although/despite cats cannot see in complete darkness, their eyes are much more sensitive to light than humans’ eyes.
  2. Because/because of cheese is essentially a concentrated form of milk, it contains the same nutrients as milk.
  3. Because/because of its acute sense of smell, the bloodhound is often used in tracking.

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