Meaning: This sentence means that the boy is currently in the process of running to the house.
Choice of Words: The word "is" is used to show that the action of running is happening right now. The word "running" is a present participle, which is a verb form that describes an ongoing action. The word "to" is used to show the direction of the action. The word "house" is used to refer to the destination of the action.
The boy ran to the house.
Meaning: This sentence means that the boy completed the action of running to the house in the past.
Choice of Words: The word "ran" is a past tense verb, which is a verb form that describes an action that happened in the past. The word "to" is used to show the direction of the action. The word "house" is used to refer to the destination of the action.
The boy will run to the house.
Meaning: This sentence means that the boy is planning to run to the house in the future.
Choice of Words: The word "will" is used to show that the action of running is going to happen in the future. The word "run" is a base verb, which is a verb form that describes an action that has not yet happened. The word "to" is used to show the direction of the action. The word "house" is used to refer to the destination of the action.