You use "hay" when talking about the existence of something or to indicate there is/there are. For example, "hay un perro en el parque" (there is a dog in the park). You use "estar" to express a temporary state or condition, such as emotions, locations, or physical states. For example, "estoy cansado" (I am tired) or "estamos en la playa" (we are at the beach). You use "tener" to indicate possession, age, or to express physical sensations. For example, "tengo un libro" (I have a book), "tengo veinte años" (I am twenty years old), or "tengo hambre" (I am hungry). **

The main difference between ser and estar in Spanish is that ser is used to talk about permanent or lasting attributes, such as characteristics, professions, and relationships, while estar is used to talk about temporary states or conditions, such as emotions, locations, and physical conditions. Ser is also used to indicate origin, nationality, and time, while estar is used to indicate position or location. It is important to remember that ser is more permanent and estar is more temporary in nature. **

In Spanish, 'hay' is used to indicate the existence of something or to say there is/there are, while 'estar' is used to express a temporary state or condition. 'Hay' is used with singular or plural nouns, while 'estar' is used with adjectives or past participles to describe how something is at a specific moment. Essentially, 'hay' is used to talk about existence or presence, while 'estar' is used to talk about conditions or states. **

One can use Remote Desktop to access a computer from anywhere in the world as long as there is an internet connection. This means that one can remotely connect to a computer located in a different country or even on a different continent. The only requirement is that the computer being accessed must be turned on and connected to the internet. **

In Spanish, "estar" is used to indicate temporary states or conditions, such as location, emotions, or physical conditions. On the other hand, "ser" is used to indicate permanent characteristics or essential qualities of a person or thing, such as identity, origin, or inherent traits. While both verbs are used to express the idea of "to be," it is important to choose the correct one based on whether the characteristic is temporary or permanent. **

The Spanish gerundio should be used with the verb estar to indicate an ongoing action or a temporary state. When using the gerundio without estar, it can indicate a habitual or repeated action. For example, "Estoy comiendo" means "I am eating" (ongoing action), while "Voy caminando" means "I am walking" (habitual action). Therefore, the use of estar with the gerundio depends on the specific context and the type of action being described. **

In Spanish, "ser" is used to express inherent characteristics or permanent states, such as nationality, profession, or physical descriptions. On the other hand, "estar" is used to express temporary states or conditions, such as emotions, locations, or physical conditions. While "ser" is used for essential or unchanging attributes, "estar" is used for more transient or changeable states. It's important to understand the distinction between the two verbs in order to accurately convey different aspects of being in Spanish. **

In Spanish, "ser" is used to indicate permanent characteristics or identity, while "estar" is used for temporary states or conditions. For example, "soy alto" (I am tall) uses "ser" because height is considered a permanent characteristic, while "estoy cansado" (I am tired) uses "estar" because tiredness is a temporary state. On the other hand, "hay" is used to indicate the existence of something or to say "there is/are" something. For example, "hay un perro en el parque" (there is a dog in the park). **