Look at the first word of each sentence in your list. Each sentence should begin with the same part of speech: all verbs, all nouns, etc. This is called parallel structure.
In the following example, you’ll see a mix of verbs and nouns and statements and questions. Nothing is really incorrect, but the list is not as easy to read as it could be — it’s not parallel.
We need to discuss:
Let’s start each sentence with a verb. Notice how this parallel structure makes the list much easier to understand.
We need to decide whether we should: