2023-11-229930.5 KB10页45
2023-11-229993.94 KB9页37
2023-11-239915.5 KB1页75
2024-10-189914.5 KB3页43
2023-11-1898249.91 KB5页66
2023-11-1898242.69 KB6页57
2023-11-1898534.76 KB8页38
2023-11-2198165.5 KB18页61
2023-11-2298722.71 KB17页45
2023-11-2298289 KB15页53
2023-11-2298266.5 KB8页46
2023-11-2398630 KB8页34
2023-11-2398160.5 KB14页73
2023-11-239833.67 KB9页23
2024-04-17981.55 MB11页32
2024-12-219818.27 KB5页70
英语八种时态一般现在时概念:经常、反复发生的动作或行为及现在的某种状况。时间状语:always,usually,often,sometimes,everyweek(day,year,month),onceaweek,onSundays,etc.基本结构:①be动词;②行为动词否定形式:①am/is/are+not;②此时态的谓语动词若为行为动词,则在其前加dont,如主语为第三人称单数,则用doesnt,同时还原行为动词。一般疑问句:①把be动词放于句首;②用助动词do提问,如主语为第三人称单数,则用doe... 2025-01-159814.46 KB3页78
2023-11-059737.45 KB1页72
2023-11-069716.43 KB4页52
2023-11-069721.41 KB11页66