d. expressing time relationship


Future Time Clauses
source: smrt English

First Conditional and Time Clauses
source: Mark Roberts

Time Clauses with Until
source: iswearenglish

Time Clauses
source: calenglishschool

Expressing the Future in Time Clause
source: Joseph Thomas

Reduced time clauses
source: Dan Sussman

Complex sentences using ADVERB CLAUSES and phrases of time
source: Your English Web          2016年10月31日

Present tenses in future time clauses
source: British Council

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