I think we'd better go home now.“ 'd ”的展开词是should吗?分析一下其中隐含的

不是,'d better是had better do sth.和had better not do sth.所以'd是had不是should.
I think （that）we'd better go home now.
这是that（省略）引导的宾语从句,I 为主语,think为谓语,后面的we'd better go home now.是宾语.
词组的话只有had better do sth.和had better not do sth.最好做某事和最好不要做某事.

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