Question

Какие времена 1 This bookshop opens at 10 a. m. 2 Joan has been writing her essay for more than two hours already3 Water boils at 100 degrees Celsius​

Answer 1

Объяснение:

1)present simple

2)present perfect continuous

3)present simple

Answer 2

Present Simple Tense

The present simple tense is used to describe habits, unchanging situations, general truths, and fixed arrangements. It is formed with the base form of the verb for all subjects except for the third person singular, where "s" or "es" is added to the base form.

1. This bookshop opens at 10 a.m. - This sentence is in the present simple tense, indicating a fixed arrangement or schedule. - The present simple tense is used for actions that are repeated regularly, such as opening hours. - The verb "opens" is in the present simple form, indicating a habitual or regular action. - *Source: "The present simple tense is used to describe habits, unchanging situations, general truths, and fixed arrangements."*

Present Perfect Continuous Tense

The present perfect continuous tense is used to describe an action that started in the past and is still continuing, or has just stopped. It focuses on the duration of the action.

2. Joan has been writing her essay for more than two hours already. - This sentence is in the present perfect continuous tense, indicating an action that started in the past and is still continuing. - The present perfect continuous tense is used to emphasize the duration of an action that began in the past and is still ongoing. - The verb phrase "has been writing" is in the present perfect continuous form, indicating the continuous nature of the action. - *Source: "The present perfect continuous tense is used to describe an action that started in the past and is still continuing, or has just stopped. It focuses on the duration of the action."*

Present Simple Tense

The present simple tense is used to express general truths, scientific facts, and habits.

3. Water boils at 100 degrees Celsius. - This sentence is in the present simple tense, indicating a scientific fact or general truth. - The present simple tense is used to express scientific facts and general truths, such as the boiling point of water. - The verb "boils" is in the present simple form, indicating a general truth or scientific fact. - *Source: "The present simple tense is used to express general truths, scientific facts, and habits."*

In summary, the sentences provided illustrate the use of the present simple tense for fixed arrangements, the present perfect continuous tense for ongoing actions, and the present simple tense for expressing scientific facts or general truths.