• 现在_一般 : ① am/is/are not; ② can/may 等 not do; ③ do/does not do
• 过去_一般 : ① was/were not; ② could/might 等 not do; ③ did not do
• 将来_一般 : ① shall/will not do; ② am/is/are not going to do
• 过去将来_一般 : ① should/would not do; ② was/were not going to do
• 现在_进行 : am/is/are not doing
• 过去_进行 : was/were not doing
• 将来_进行 : ① shall/will not be doing; ② am/is/are not going to do
• 过去将来_进行 : should/would not be doing
• 现在_完成 : have/has not done
• 过去_完成 : had not done
• 将来_完成 : shall/will not have done
• 过去将来_完成 : should/would not have done
• 现在_完成进行 : have/has not been doing
• 过去_完成进行 : had not been doing
• 将来_完成进行 : shall/will not have been doing
• 过去将来_完成进行 : should/would not have been doing
• 通常情况下： shall 与第一人称主语搭配，will 各种人称皆可