to be one for the drag
The word 'der Zug' is used in German to refer to a train. It is a masculine noun, and it is used in the same way as the English word 'train'. For example, 'Ich fahre mit dem Zug nach Berlin' means 'I am traveling to Berlin by train'.
The train arrives at eight.
This sentence is an example of a simple declarative sentence. 'Der Zug' refers to 'the train', 'kommt' is the third person singular present form of 'kommen' which means 'to come', 'um' means 'at', and 'acht' is the word for 'eight'. It is expressing a particular event happening at a specific time, in this case, the arrival of the train.
Where is the train?
This is an interrogative sentence. 'Wo' means 'where', 'ist' is the third person singular present of 'sein' which means 'to be', 'der Zug' directly translates to 'the train'. The sentence is asking for the location of the train.
I do not see the train.
This is a negation sentence. 'Ich' means 'I', 'sehe' is the first person singular present form of 'sehen' which means 'to see', 'nicht' is the word for 'not', and 'der Zug' translates to 'the train'. The sentence translates the inability to see the train.