1. Děi xiān mǎi piào ma? 得先买票吗？ Is it necessary to buy tickets ahead of time? Cueliǎngsāntiān 两三天 2 or 3 days Nǐ zuì hǎo liǎngsāntiān yǐqián mǎi piào. 你最好两三天以前买票。 It would be best for you to buy your tickets two or three days ahead of time. 2. Děi xiān mǎi piào ma? 得先买票吗？ Is it necessary to buy tickets ahead of time? Cuebù 不 no Bú bì xiān mǎi piào. 不必先买票。 It’s not necessary to buy tickets ahead of time. 3. Děi xiān mǎi piào ma? 得先买票吗？ Is it necessary to buy your tickets ahead of time? Cueliǎngtiān 两天 2 days Nǐ zuì hǎo liǎngtiān yǐqián mǎi piào 你最好两天以前买票。 It would be best for you to buy your tickets two days ahead of time. 4. Děi xiān huàn qián ma? 得先还钱吗？ Is it necessary to change money ahead of time? Cuesìwǔtiān 四五天 4 or 5 days Nǐ zuì hǎo sìwǔtiān yǐqián huàn qián. 你最好四五天以前还钱。 It would be best for you to change money 4 or 5 days ahead of time. 5. Děi xiān qù kàn gēge ma? 得先去看哥哥吗？ Is it necessary to see the older brother ahead of time? Cuebù 不 no Bú bì xiān qù kàn gēge. 不必先去看哥哥。 It’s not necessary to see the older brother ahead of time. 6. Děi xiān kàn zhèiběn shū ma? 得先看这本书吗？ Is it necessary to read this book ahead of time? Cuesāntiān 三天 3 days Nǐ zuì hǎo sāntiān yǐqián kàn zhèiběn shū. 你最好三天以前看这本书。 It would be best for you to read this boob three days ahead of time. 7. Děi xiān huàn qián ma? 得先还钱吗？ Is it necessary to change money ahead of time? Cuebù 不 no Bú bì xiān huàn qián. 不必先还钱。 It’s not necessary to change money ahead of time.