Example sentences
Unser Lehrer erklärt alles sehr geduldig.
Our teacher explains everything very patiently.
Gestern hat der Lehrer die Hausaufgaben kontrolliert.
Yesterday the teacher checked the homework.
Mein Bruder will später Lehrer werden.
My brother wants to become a teacher later.
Note
The article is part of the word: der Lehrer. That way you learn the gender with it.
Remember der Lehrer for good. ripiti brings the word back just before you forget it, with these sentences. Free, no account needed, works offline.
practise der Lehrer in ripiti