Good sentence
1)If so, you're not alone.
ex)If so, you can go to the next trip.

2)Have all wrestled(to fight someone by holding them and pulling or pushing them) with this problem.
ex)I have wrestled this issue however, still can not find a way of solving.

3)I failed to generate and adequate( enough in quantity or of a good enough quality for a particular purpose) explanation.
ex)She failed to generate and adequate explanation of the taste of sushi