Use keyboard shortcuts on an external keyboard with iPad
You can use keyboard shortcuts on an external keyboard to perform the following actions on iPad:
Quickly switch between apps: Press and hold the Command key, then press Tab until you reach the app you want to open.
Open Search: Press Command-Space.
View more keyboard shortcuts: Press and hold the Command key to see shortcuts for the app you’re using.
You can change the actions that are performed by the Command key (and other modifier keys like Caps Lock). Go to Settings > General > Keyboard > Hardware Keyboard, tap Modifier Keys, tap a key, then choose the action you want it to perform.
To use additional keyboard shortcuts, go to Settings > Accessibility > Keyboards > Full Keyboard Access, then turn on Full Keyboard Access. See Control iPad with an external keyboard.
Note: You can also set up text replacements that enter words or phrases after you type just a few characters. For example, type “omw” to enter “On my way!” See Save keystrokes with text replacements on iPad.
You can also accept suggested words before you finish typing them. See Use predictive text on iPad.