（a） If computers didn't exist, what would our world be like? （b） If it were ( )( ) computers, what would our world be like?
（a） If I hadn't met the doctor, I might not be alive now. （b） If it ( )( )( ) for the doctor, I might not be alive now.
（a） If we didn't have a TV, we would be bored. （b） ( ) a TV, we would be bored.
（a） If I had not had his cooperation, the presentation wouldn't have been successful. （b）( )( ) his cooperation, the presentation wouldn't have been successful.
（a） Without the scholarship, I couldn't have graduated from college. （b）( )( )( )( )( ) for the scholarship, I couldn't have graduated from college.
もし彼がここにいたら，私を励ましてくれるのに。 （ encourage / he / were / would / me / he / here, ）. ____________________________
10 分早く家を出ていたら，あなたは学校に遅刻しなかったのに。 （ been / home / wouldn't / had / ten minutes / have / you / late / left / you / earlier, ） for school. ____________________________
あなたがいなければ，私たちのチームは試合に勝てないでしょう。 （ couldn't / not / the game / were / you, / win / for / our team / it ）. ____________________________
地図がなければ，私は道に迷っていただろう。 （ have / for / I / been / it / would / been / the map, / had / lost / not ）. ____________________________
もう少し努力していれば，ジェーンは成功していただろう。 ( ) a little more effort, Jane would ( )( ). ____________________________
30年前であれば，彼は100メートルを11秒で走れていただろう。 ( )( )( ), he could ( )( ) the 100 meters in 11 seconds. ____________________________
彼女はよい先生だ。そうでなければ，生徒たちから好かれていないだろう。 She is a good teacher; ( ), she ( )( ) liked by her students. ____________________________
エリが話すのを聞けば，あなたは彼女が英語母語話者だと思うでしょう。 ( )( ) Eri speak, you ( )( ) she was a native English speaker. ____________________________
注意深い人なら機械を使う前に説明書を読むだろう。 ( )( ) person ( )( ) the instructions before using the machine. ____________________________
A: ( ) your support, this project would have failed. B: I'm glad that I could help.
Without / With / Otherwise / Had
( ) in your shoes, I would accept the offer.
Were if I / Were I / If were / were
( ) worked hard when he was young, he would not be in a high position today.
If he had / Would he have / He had not / Had he not