... until 8 until9 before 10 before166Indexconditional, the 79 -80 , 85 first conditional 79 -80 , 83 second conditional 81 -83 zero conditional 84 -85 conjunctions - see link wordscould 81 , 86 -88 , 91-92countable ... able to 87 because 119before 1 18 better/best 28 bored/boring 26both and 120but 1 18 Ccan 86 -88 , 91-92clauses,relative 126-127comparative adjectives 20-23, 29comparative adverbs 28- 29IndexUuncountable ... 132of time 134, 137at, in on 1 28- 129, 134present continuous, 32-34, 37as future 56- 58, 60present perfect simple 48- 50, 52, 54continuous 55-56+ for / since 51present simple 30-31, 33, 36-37as...