ipad pro - How do I copy and paste

Tap tp select. You should see a popup menu. Select, Select All etc. Once a word is selected you'll see a larger dot on each end of the selection. Drag the dot to increase or decrease your selection. Another popup will appear that included copy, paste etc. Tap on copy. Tap somewhere else to place the cursor. Another popup should appear with the option to paste.

You can also tap and drag a select to a new location.

From the iPad Users Guide.

“Place the insertion point where you want to insert text: Touch and hold the text to show the magnifying glass, drag to position the insertion point, then start typing (you can ignore the menu that appears).

Select text to replace: Place the insertion point as described above, then lift your finger. In the menu that appears, tap to select the word or all text, then drag the grab points to select more or less text. Type to replace it.

Select text to revise: Tap the insertion point to display the selection options, or double-tap a word to select it; drag the grab points to select more or less text, then tap to see all the options:

Tap Cut, Copy, or Paste.

Tap B/I/U to format selected text.”

“Turn your virtual keyboard into a trackpad”

Touch and hold the keyboard with two fingers until it turns light gray.

Move the insertion point by dragging around the keyboard.

To select text with drag points, continue holding the keyboard until drag points appear on the insertion point, then move your fingers.

To use the trackpad to move the insertion point, drag the insertion point to a new location before drag points appear.”

Excerpt From: Apple Inc. “iPad User Guide for iOS 12.” Apple Inc., 2018. iBooks.

This material may be protected by copyright.

Check out this book on the iBooks Store.

Excerpt From: Apple Inc. “iPad User Guide for iOS 12.” Apple Inc., 2018. iBooks.

This material may be protected by copyright.

Check out this book on the iBooks Store.

iPad User Guide for iOS 12.1.1 by Apple Inc. on Apple Books

Once you know the "trick" it will become intuitive. Good luck!