V on n
II.15 The 'depend' group
These verbs are concerned with depending or relying on something or someone, or hoping to have something.
I hope we can count on your support.
A great deal hangs on the answer to these questions.
Many of these verbs are sometimes followed by upon instead of on, especially count, depend, rely, and rest.
This system of legalised extortion rests upon a whole system of political control.
In the case of bank, count, depend, hinge, rely, and rest, the preposition on (or upon) is sometimes followed by an '-ing' clause.
Billy gave Carlo the money, banking on being able to win it back on the snooker table anyway.
People can no longer rely on doing their chosen job for life.
In the case of depend, hinge, rest, and turn, the preposition on (or upon) is sometimes followed by a wh-clause.
Much will hinge on how well the team do tonight.
In the case of bank, count, depend, hinge, rely, and rest, the preposition on (or upon) is sometimes followed by a noun group and an -ing clause. This pattern is V on n -ing.
bank count depend hang hinge lean pivot rely rest ride turn
In the case of spacecraft such as the Space Shuttle, lives depend on such systems working properly.
Some senses of the verbs count, depend, and rely also have the pattern V on n for n. The prepositional phrase beginning with for indicates what the person referred to by the Object provides or ensures.These three verbs also have the pattern V on n to-inf, which is dealt with at the end of this section.
She, too, relied upon him for her safety.