Here are some examples:
* "Malaking tulong ang pagkain na ibinigay mo sa amin." (The food you gave us was a great help.)
* "Malaking tulong ang mga volunteers sa paglilinis ng park." (The volunteers were a big help in cleaning the park.)
* "Malaking tulong ang bagong teknolohiya sa pag-aaral." (New technology is a great help in learning.)
You can also use "malaking tulong" to express your gratitude:
* "Salamat sa malaking tulong mo." (Thank you for your great help.)
* "Malaking tulong ang ginawa mo para sa amin." (You did a great help for us.)