1 When do I use full stops and when do I use commas? 句号和逗号的用法 2 When must I use I? I的用法 3 When can I use an apostrophe befores (’s)? 什么时候在—s前面加撇号? Test 1 4 Do I need a in this sentence? 这句话中需要a吗? 5 A or the? a还是the? 6 Do I need the in this sentence? 这句话中需要the吗? Test 2 7 How do I talk about age? 如何表达年龄? 8 How do I say the time and the date? 如何表达时间和日期? 9 When do I add s to verbs? 动词的一般现在时形式 Test 3 10 When do I add ed to verbs? 动词的一般过去时形式 11 I did or I have done? 一般过去时和现在完成时 12 For and since for和since的用法 Test 4 13 When do I use I am doing? 现在进行时 14 When do I use I will? will的用法 15 How do I form questions? 疑问句是如何形成的? Test 5 16 There and it/they there和it/they 17 Plural and uncountable nouns名词的复数形式和不可数名词 18 When do I use much and many? much和many的用法 Test 6 19 Like, would like and want like, would like和want 20 Do or to do? do还是to do? 21 When do I use doing after verbs? 哪些动词后面接动词的—ing形式? Test 7 22 Other, others, another and each other other, others, another和each other 23 One and ones one和ones 24 Old, older, the oldest old, older, the oldest Test 8 25 When do I use capital letters with people and places? 在什么情况下人名和地名的单词首字母要大写? 26 How do I use at and in with places? 如何用at和in表示地点? 27 How do I use by and in/on with means of transport? 如何用by和in/on表示交通方式? Test 9 28 When do I use at, in and on with time expressions? 如何用at, in和on表达时间? 29 How do I use from, about and of? from, about和of的用法 30 Do I need for in this sentence? for的用法 Test 10 Answer key