Question

8．We ________trees if it is sunny next Sunday．（　�。�

• A． plant
• B． planted
• C． have planted
• D． will plant

Answer 1

分析 下周日如果天氣晴朗我們將會(huì)種樹．

解答 答案：D．這里if引導(dǎo)的條件狀語(yǔ)從句遵循主將從現(xiàn)的規(guī)則，故這里主句用一般將來(lái)時(shí)will+動(dòng)詞原形，故答案是D．

點(diǎn)評(píng) if 條件句的時(shí)態(tài)搭配
1．if從句用一般現(xiàn)在時(shí)，主句用一般將來(lái)時(shí) 
If he runs he'll get there in time．如果他用跑的，他就會(huì)及時(shí)趕到那兒．
The cat will scratch you if you pull her tail．如果你拉貓的尾巴，它就會(huì)抓你．
2．if從句用一般現(xiàn)在時(shí)，主句用may/might/can
If the fog gets thicker the plane may/might be diverted．如果霧在大一些，飛機(jī)可能就會(huì)改在別的機(jī)場(chǎng)降落．
If it stops snowing we can go out．如果雪停了，我們就可以出去．
3．if從句用一般現(xiàn)在時(shí)，主句用must/should
If you want to lose weight you must/should eat less bread．如果你想減肥，你必須少吃面包