The structures 说什么也得... and 怎么也得...
We use 说什么也得… 
and 怎么也得… in the same way.
and 怎么也得… in the same way. Pay attention
We also may use these structures with 着 :
说什么着也得... and 怎么着也得... .
:
说什么着也得... and 怎么着也得... .We use this structures to express two meanings:
1) "at least".
We should state a verb or a verb phrase after the structure.
Pay attention
A verb phrase is a combination of a verb and an auxiliary word. The auxiliary word can be either an auxiliary verb or an object.
Examples
他给我帮了那么大的忙，我说什么也得去感谢他
He helped me so much, at least I should go and thank him
tā gěi wǒ bāng le nàme dà de máng, wǒ shuō shénme yě děi qù gǎnxiè tā
他们怎么着也得一年才会结婚
They won’t get married for at least a year
tāmen zěnmezhe yě děi yì nián cái huì jiéhūn
2) "by all means", "at all costs".
Examples
这么重要的活动，你怎么也得来一下
It’s such an important event that you need to come by any means necessary
zhème zhòngyào de huódòng, nǐ zěnme yě děi lái yíxià
没有时间了，说什么也得走了
There's no time, you have to go any way you can
méi yǒu shíjiān le, shuō shénme yě děi zǒu le
Pay attention
We use these structures in colloquial speech.
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