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Square Posted 12 years ago
Grammar

for the other S parameters to be measured

Similar arguments can be made for the other S parameters to be measured.

Source: "RF CIRCUIT DESIGN" by CHRISTOPHER BOWICK WITH JOHN BLYLER AND CHERYL AJLUNI

Could you explain about the grammar point relating to the use of "to be measured" in that sentence?

Here is what I can explain now.

1. We use passive "be measured" because "S parameters are things to which the action is done.
2. Why we need "to" here? That is where I get stuck.
Thank you.
  

Top answer

The sentence is ambiguous. It may mean: Similar arguments can be made for the other S parameters that are to be measured. The words "that are" may be dropped.

— GPY

  • The sentence is ambiguous.
  • It may mean: Similar arguments can be made for the other S parameters that are to be measured.
  • The words "that are" may be dropped.
  • "are to be measured" is an example of the pattern "be-verb + to-infinitive" (in this case a passive infinitive, "to be measured"), meaning that some action is mandated or scheduled to happen in the future.
  • Other examples of the pattern are "You are to leave tomorrow" (active example) or "These documents are to be destroyed" (another passive example).
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1 Answers
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The sentence is ambiguous. It may mean:

Similar arguments can be made for the other S parameters that are to be measured.

The words "that are" may be dropped. "are to be measured" is an example of the pattern "be-verb + to-infinitive" (in this case a passive infinitive, "to be measured"), meaning that some action is mandated or scheduled to happen in the future. Oth
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