A simple German grammar problem

Let's talk about a small problem first, saying that the weather is good or bad. German is used to schoen (good), schlecht (bad) and schlimm (bad).

But it is raining harder and harder, and it is getting colder and colder in the morning.

There is no grammatical connection between these two sentences. Independent sentences and verbs do not need to be advanced.

Dann's sentence: Dann Kommeich hier, kenneich vielenich. The meaning is a little unclear, but it is very smooth, and kenne doesn't feel uncomfortable. The first sentence can be regarded as an implied word in the second half.

In fact, it really doesn't matter whether the verb is advanced or not.

It mainly depends on the tone of voice and the meaning you want to express.

If the two sentences are closely related, the verb of the latter sentence will be advanced to show emphasis and play a connecting role.