Write am/is/are (present) or was/were (past) . Today the weather . nice , but yesterday it . very cold...

Today the weather is nice, but yesterday it was very cold. I am hungry. Can I have something to eat? I feel fine this morning, but I was very tired last night. Were you at 11 o'clock last Friday morning? Don't buy those shoes. They are very expensive. I like your new jacket. Is it expensive? This time last year I was in Paris. Where are Sam and Joe? I don't know. They were here a few minutes ago.

Here is a detailed explanation of how to fill in the blanks with the appropriate forms of "am," "is," "are" for present tense, and "was," "were" for past tense:

1. "Today the weather is nice, but yesterday it was very cold."

   • "Is" is used here because "today" refers to the present time. "Was" is used for "yesterday," indicating past time.

2. "I am hungry. Can I have something to eat?"

   • "Am" is the present tense form used with the pronoun "I."

3. "I feel fine this morning, but I was very tired last night."

   • "Was" is used to describe a state in the past, which is "last night."

4. "Were you at 11 o'clock last Friday morning?"

   • "Were" is the past tense form used with "you," asking about a specific time in the past.

5. "Don't buy those shoes. They are very expensive."

   • "Are" is used here because the sentence refers to the current state of the shoes.

6. "I like your new jacket. Was it expensive?"

   • "Was" is used here because the speaker is asking about the past action of purchasing the jacket.

7. "This time last year I was in Paris."

   • "Was" is used for "last year," indicating a past action or state.

8. "Where are Sam and Joe? I don't know. They were here a few minutes ago."

   • "Are" is used to ask about the present location of Sam and Joe. "Were" is used to indicate their location in the past ("a few minutes ago").

In summary, the choice between "am," "is," "are" (present tense) and "was," "were" (past tense) depends on the time frame of the action or state being described. Present tense is used for current actions or states, while past tense is used for actions or states that have already occurred.

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