第七讲动词的时态与语态各种时态与语态的构成现在过去将来过去将来主动被动主动被动主动被动主动被动一般do/doesam/is/aredonedidwas/weredoneshall/willdoshall/willbedoneshould/woulddoshould/wouldbedone进行am/is/aredoingam/is/arebeingdonewas/weredoingwas/werebeingdoneshall/willbedoingshall/willbebeingdoneshould/wouldbedoingshould/wouldbebeingdone完成have/hasdonehave/hasbeendonehaddonehadbeendoneshall/willhavedoneshall/willhavebeendoneshould/wouldhavedoneshould/wouldhavebeendone完成进行have/hasbeendoing—hadbeendoing—shall/willhavebeendoing—should/wouldhavebeendoing—各种时态的用法1
一般现在时(1)表示客观事实或普遍真理(不受时态限制)
Timeandtidewaitfornoman
(2)表示现状、性质、状态时多用系动词或状态动词;表示经常或习惯性的动作,多用动作动词,且常与表频率的时间状语连用
Icefeelscold
冰摸上去是冷的
Theyalwayscareforeachotherandhelpeachother
他们总是互相关心、互相帮助
(3)表示知觉、态度、感情、某种抽象的关系或概念的词(短语)常用一般现在时,如see,hear,smell,taste,feel,notice,agree,believe,like,h