Read these sentences and complete them with should or should have + the verb in brackets.

1. We don’t see you enough. You and see us more often. (come)

2. I’m playing tennis with Sam tomorrow. He - he is better than me. (win)

3. I posted the letter three days ago, so it by now. (arrive)

1. We don’t see you enough. You should come and see us more often.

Explanation: The correct form to complete the sentence is "should come," as it expresses a suggestion or recommendation for the person to visit more frequently. "Should" is used to give advice or make a suggestion in English. In this case, we are advising the person to visit more often.

Step-by-step solution:
- Identify the missing verb: "come" is missing in the sentence.
- Determine the correct form of "should": "should + base form of the verb."
- Combine the verb and "should" to complete the sentence: "You should come and see us more often."

2. I’m playing tennis with Sam tomorrow. He should win – he is better than me.

Explanation: The correct form to complete the sentence is "should win," as it expresses an expectation or likelihood of the result. "Should" is used to indicate an expected or probable outcome. In this case, we expect Sam to win because he is better than the speaker.

Step-by-step solution:
- Identify the missing verb: "win" is missing in the sentence.
- Determine the correct form of "should": "should + base form of the verb."
- Combine the verb and "should" to complete the sentence: "He should win – he is better than me."

3. I posted the letter three days ago, so it should have arrived by now.

Explanation: The correct form to complete the sentence is "should have arrived," as it expresses an expectation or assumption about the completion of an action in the past. "Should have" is used to indicate that something was expected to happen in the past.

Step-by-step solution:
- Identify the missing verb: "arrive" is missing in the sentence.
- Determine the correct form of "should have": "should have + past participle of the verb."
- Combine the verb and "should have" to complete the sentence: "It should have arrived by now."