Questions & Answers about Тебе не надо торопиться, у нас много времени.
Why do we use the imperfective verb торопиться after не надо?
In Russian, when you say there is no need to do something using не надо or не нужно, you almost always use an imperfective infinitive. Even if you just mean 'don't hurry this one specific time', the negative obligation rule requires the imperfective aspect.
Why does the sentence start with Тебе (dative) instead of Ты (nominative)?
Words like надо and нужно create impersonal sentences. The person who experiences the need is put in the dative case. Literally, this translates to 'To you there is no need to hurry.'
Why is the word for time spelled времени here instead of время?
The word много (a lot) requires the noun that follows it to be in the genitive case. The word время is a special neuter noun ending in -мя. To make it genitive, its stem changes and it becomes времени.
Could I use не нужно instead of не надо in this sentence?
Yes! In this context, не надо and не нужно mean exactly the same thing ('there is no need' or 'you do not have to') and both require the imperfective infinitive торопиться.