Let's study together Mt.6:1-18. Read it to yourself, first looking for the key verse, the verse that sums up the whole passage. Think you have it? Test it by picking different places in the passage and asking yourself if they relate to the thought of the key verse. Once you find it, write it as Roman numeral One of your outline:
Beware of practicing your righteousness before men to be noticed
What does „practicing your righteousness“mean? Does the passage give any examples? What area of our lives is being addressed? Our motives! What sub-headings develop this thought?
When you give
When you fast
When you pray
Now fill in the outline with specific instructions of how to avoid wrong ways of practicing our righteousness:
When you give
don't sound a trumpet. (how might someone „sound a trumpet“today?)
do it secretly.
etc.