dog
The German word for dog is 'Hund'. It is a noun and is used in the same way as the English word 'dog'. For example, 'I have a dog' translates to 'Ich habe einen Hund'.
The dog is in my garden.
This is a simple German sentence stating a fact about the location of a dog. In this case, the dog is in the speaker's garden.
I saw a dog.
This sentence is in the perfect tense, which is used to discuss past events in German. In particular, this sentence describes an event where the speaker saw a dog.
Dog is man's best friend.
This sentence is a common proverb in both German and English. It suggests that dogs, as pets, often form strong bonds with humans and provide companionship.