to see
In German, 'sehen' is the infinitive form of the verb 'to see'. It is used to express the action of perceiving with the eyes. For example, 'Ich sehe einen Hund' means 'I see a dog'. It can also be used in the sense of 'to visit' or 'to meet', as in 'Ich sehe meine Freunde am Wochenende' which means 'I am seeing my friends at the weekend'.
I can see the stars.
This phrase uses 'sehen' to denote visual perception. In this context 'sehen' takes the direct object in accusative case which is 'die Sterne'.
Can you see that?
This is an interrogative sentence using 'sehen'. The auxiliary verb 'kannst' is used to form the question, with 'das' being the object that is to be seen.
We will see the sunrise.
This example uses 'sehen' in a sentence talking about future events. The auxiliary verb 'werden' (will) indicates future tense, and 'den Sonnenaufgang' is the direct object seen in the future.