Subjunctive mood in English

Complete the sentence using the subjunctive mood: It is important that he (to be) ________ on time.

Choose the correct form: I wish I (was/were) ________ able to attend the concert last night.

Fill in the blank with the subjunctive mood: If she __________ (to be) the President, she would improve environmental policies.

What is the correct subjunctive form? The teacher insists that every student (to complete) ________ the assignment by Friday.

Use the subjunctive mood to complete the sentence: It's crucial that they (to understand) ________ the instructions clearly.

Choose the correct form in subjunctive mood: If I (was/were) ________ you, I would apologize to her.

Fill in the blank with the subjunctive mood: We suggest that he ________ (to take) a break before he gets too tired.

What is the correct subjunctive form? She recommended that Mary (to visit) ________ the new museum exhibit.

Use the subjunctive mood to complete the sentence: If only I ________ (to have) more time to study for that exam.

Choose the correct form in subjunctive mood: It is vital that he (to do) ________ his best in this competition.