In the sentence 'Running through the park, the children giggled freely', what is the subject of the sentence?

In the sentence 'To win the game requires skill and determination', what is the subject of the sentence?

In the sentence 'Hiking in the mountains can be exhilarating', what is the subject of the sentence?

In the sentence 'Winning the championship took a lot of hard work', what is the subject of the sentence?

In the sentence 'To read well requires practice and patience', what is the subject of the sentence?

In the sentence 'To bake a cake takes time and effort', what is the subject of the sentence?

In the sentence 'Swimming in the ocean is a refreshing experience', what is the subject of the sentence?

In the sentence 'To solve the puzzle quickly requires sharp thinking', what is the subject of the sentence?

In the sentence 'Gathering all the supplies took longer than expected', what is the subject of the sentence?

In the sentence 'Learning a new language can be challenging and rewarding', what is the subject of the sentence?

In the sentence 'Running through the park, the dog suddenly stopped.', what is the subject?

In the sentence 'Beneath the old oak tree, the children laughed and played.', what is the subject?

In the sentence 'To win the championship requires hard work and dedication.', what is the subject?

In the sentence 'After the storm passed, the streets were flooded with water.', what is the subject?

In the sentence 'To bake a cake takes a lot of patience and skill.', what is the subject?

In the sentence 'The sound of the waves crashing on the shore was soothing.', what is the subject?

In the sentence 'Climbing the mountain takes both strength and endurance.', what is the subject?

In the sentence 'From the top of the hill, the view was breathtaking.', what is the subject?

In the sentence 'To travel the world requires planning and courage.', what is the subject?

In the sentence 'With a bright smile, Maria greeted her friends.', what is the subject?