Particles: 「に (Location of Existence)」「で (Location of Action)」
Before starting the exercise for particles: 「に (location of existence)」「で(location of action)」, please clarify any doubts you may have about the grammatical rules by referring to your grammar guidebook or dictionary. The Instantaneous Composition Method requires you to compose sentences with the target sentence pattern(s) over and over in order to use them almost effortlessly. You should already have the necessary knowledge.
Instantaneous Composition Exercise for Particles: 「に (Location of Existence)」「で (Location of Action)」
This is not a translation exercise. This is the Instantaneous Composition Exercise. As if a reflexive action, try to create an equivalent Japanese sentence shortly after reading an English script. Try not to think for more than three seconds.