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"Have to" is a transitive verb phrase which is often translated as "tener que", and "should" is an auxiliary verb which is often translated as "deber". Learn more about the difference between "have to" and "should" below.
have to(
hahf
tu
)A transitive verb phrase is a phrase that combines a verb with a preposition or other particle and requires a direct object (e.g., take out the trash.).
should(
shood
)An auxiliary verb, or helper verb, is a conjugated verb that comes before a main verb and determines the main verb's tense, mood, or aspect (e.g., I have gone.).