Switch over (to someone or something) American British phrasal verb
to change to or choose someone or something else
Shannon: Tom, it's 8:00 o'clock! Let switch over to HBO channel, I really want to watch The Conjuring 2. Tom: It's so scary, I have to go.
The power went out and we had to stop our campaign because the system didn't switch over to the backup generator.
Our school switched over to a new head teacher who had more experience in education and management.
The phrase starts with a verb, therefore, it needs to conjugate within the sentence.
Used when something unpleasant has happened that has spoilt what you intended to do
Oh, no, that’s torn it! I’ve left my wallet at home!