I would like to seek someone's explanation of the grammar for the following sentence.
I don't understand whether the word "supply" is a verb or not.
The energy that the pump must supply is the friction energy plus the elevation energy.
Ben9108 I don't understand whether the word "supply" is a verb or not. It's a verb. Only a verb can follow a modal auxiliary like 'must'.
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Ben9108I don't understand whether the word "supply" is a verb or not.
It's a verb. Only a verb can follow a modal auxiliary like 'must'.
CJ