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"If you need help" is a phrase which is often translated as "si necesitas ayuda", and "let me know" is a phrase which is often translated as "avísame". Learn more about the difference between "if you need help" and "let me know" below.
if you need help(
ihf
yu
nid
hehlp
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. si necesitas ayuda (informal) (singular)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
If you need help, you can call me at any time.Si necesitas ayuda, puedes llamarme en cualquier momento.
b. si necesita ayuda (formal) (singular)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
If you need help, press this button and someone will assist you.Si necesita ayuda, presione este botón y alguien la ayudará.
let me know(
leht
mi
no
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. avísame (informal) (singular)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
Let me know if you're coming home for dinner.Avísame si vienes a cenar a casa.
2. (inform me)
a. házmelo saber (informal) (singular)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
If there's anything I can do to help, please let me know.Si puedo ayudar en algo, házmelo saber, por favor.
An intransitive verb phrase is a phrase that combines a verb with a preposition or other particle and does not require a direct object (e.g., Everybody please stand up.).
