Phrasal Verb Fun

speak
(speak, spoke, spoken)
What we humans do when we have something to say.
speak out
When we speak out in the world, we speak publicly. If we protest the
latest corruption scandal in our politicians, we speak out. There is always
a sense of courage when someone speaks
out
, because it is always more
comfortable - or even safer - not to say anything.
Two-word verb without an object
No problem.
speak up
'Don't ever be shy in an English class,' said a good teacher. 'Speak up
whenever you can.'
If you tell me something in a quiet voice, maybe I can't hear you. I would
then say to you, 'Speak
up
! I can't hear you.' It means to speak louder, to
raise your voice, to make yourself heard.
Compare this with
turn up
the radio.
Two-word verb without an object
No problem.

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split
(split, split, split)
To separate. Usually only into two parts. You split a log with an axe. A
family can split into two adults who live apart, with children travelling to
and fro.
split away
Split away means the same as
break away
. A group of unhappy
politicians might split away from a political party. (You can also say that
the group
split off
)
Two-word verb without an object
No problem.
split off
Whereas
break off
is always hard (You can break something off with a
hammer, perhaps.) split off can be soft like a cake mixture.You can split
off
half the sticky mixture to make a different kind of cake. The soft
tentacles of some animals can split off.
Separable two-word verb
Be careful.
split up
Up
means completely. When a couple splits up, they are no longer a
couple. They cannot split any more.
Two-word verb without an object
No problem.