Penjelasan:

1. Write a sentence for each word provided using Gerund

a. Finish: I am finishing my homework. (The gerund "finishing" is used to describe an action that is currently in progress.)

b. Cannot help: I cannot help falling in love with you. (The gerund "falling" describes the action of falling in love, which is an ongoing process.)

c. Keep on: I will keep on studying until I understand the material. (The gerund "studying" describes an ongoing action of learning or acquiring knowledge.)

d. Mention: I forgot to mention that I have a meeting at 2 PM. (The gerund "mentioning" describes the action of bringing something up in conversation.)

e. Give up: I am considering giving up smoking. (The gerund "giving up" describes the action of relinquishing something, in this case the habit of smoking.)

2. MAKING SENTENCES USING TO INFINITIVE

a. I want to go to the store. (The infinitive "to go" is being used to express the desire to do something.)

b. I have to finish my homework. (The infinitive "to finish" is being used to express a necessary action that must be completed.)

c. He seems to be busy. (The infinitive "to be" is being used to describe an impression or appearance.)

d. They choose to eat at home. (The infinitive "to eat" is being used to express a decision or preference.)

e. We decided to proceed with the project. (The infinitive "to proceed" is being used to describe an action that will be taken.)