conditional sentences

Without your help, I -------- the technical problem with my computer the other day

• couldn’t solve
• couldn’t have solved
• solve
• can’t solve

If he were better qualified, he ______ get the job.

• will
• can
• may
• . could

Without her teacher’s advice, she would never have written such a good essay.

• Her teacher advised him and she didn’t write a good essay.
• Her teacher didn’t advise her and she didn’t write a good essay.
• . She wrote a good essay as her teacher gave her some advice.
• If her teacher didn’t advise her, she wouldn’t write such a good essay.

I didn’t pay attention to the teacher. I failed to understand the lesson.

• Although I paid attention to the teacher, I failed to understand the lesson.
• I would have understood the lesson if I had failed to pay attention to the teacher.
• I would have understood the lesson if I had paid attention to the teacher.
• . Unless I failed to understand the lesson, I would pay attention to the teacher.

Without my tutor’s help, I couldn’t have made such a good speech.

• Had my tutor not helped me, I couldn’t make such a good speech.
• If my tutor didn’t help me, I couldn’t make such a good speech.
• If it hadn’t been for my tutor’s help, I couldn’t have made such a good speech.
• If my tutor hadn’t helped me, I could have made such a good speech

We survived that accident because we were wearing our seat belts.

• But for our seat belts, we would have survived that accident.
• Had we not been wearing our seat belts, we wouldn't have survived that accident.
• Without our seat belts, we could have survived that accident.
• If we weren't wearing our seat belts, we couldn't have survived that accident

They were late for the meeting because of the heavy snow.

• If it snowed heavily, they would be late for the meeting.
• Had it not snowed heavily, they would have been late for the meeting.
• But for the heavy snow, they wouldn't have been late for the meeting.
• If it didn't snow heavily, they wouldn't be late for the meeting

. He was successful in his career thanks to his parents' support.

• Had it not been for his parents' support, he wouldn't be successful in his career.
• If his parents hadn't supported him, he wouldn't have been successful in his career
• But for his parents' support, he wouldn’t be successful in his career.
• . Without his parents' support, he would have been successful in his career.

They cancelled all the sporting events because of the heavy rain.

• Without the heavy rain, they wouldn't cancel all the sporting events.
• If it hadn't rained heavily, they would have cancelled all the sporting events.
• If it didn’t rain heavily, they wouldn't cancel all the sporting events.
• Had it not rained heavily, they wouldn't have cancelled all the sporting events.

.  I don’t know Philosophy, so I can’t answer your question.

• A.    If I know Philosophy, I can answer your question.
• A.    If I know Philosophy, I will be able to answer your question.
• If I knew Philosophy, I would be able to answer your question
• A.    If I had known Philosophy, I would have been able to answer your question.