How to Say "to slash" in Spanish
The Spanish word for “to slash” is “rasgar” — B1 level.

Examples
Ella rasgó la carta en mil pedazos sin leerla.
She tore the letter into a thousand pieces without reading it.
Ten cuidado con ese clavo o vas a rasgar tu camisa.
Be careful with that nail or you're going to rip your shirt.
El gato rasgó las cortinas con sus garras.
The cat ripped the curtains with its claws.
The 'G' to 'GU' Spelling Change
To keep the hard 'g' sound (like in 'game'), you must add a 'u' when the ending starts with an 'e'. This happens in the 'yo' form of the past tense (rasgué) and all present forms of the 'wishes and commands' verb type (subjunctive).
Spelling Error in Past Tense
Mistake: “Yo rasgé el papel.”
Correction: Yo rasgué el papel. (You need the 'u' so it doesn't sound like 'ras-hay'.)
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