Copying in Layout

In Layout, say I want to copy a text, move it on the page, then revise it.
I select the text, hover the cursor over it until I get the 4-directions arrow, hold down CTRL, hold down the left touchpad button, drag the text with the touchpad, then release both CTRL and left button.
Sometimes it works; other times it only moves the text.
If it only moves the text, I undo, repeat the operation, but press ENTER before releasing.
then it works.
Seems I do the same thing but sometimes get different results.
I don’t think I’m unknowingly easing up on the CTRL key, because the + sign remains showing on the 4-directions arrow.
A solution will be much appreciated.