Time worsds: ago, for, since ✗: My language started since 5 month. ✓: My language started 5 months ago. ✓: I've been learning for 5 months. ✓: I've beeb learning since May. Tips: try not translate them directly. 1. ago(completed a period of time in the past) Ex: I turned the project in three days ago. Ex: How long ago did you start learning French? 2. for(a period of time that something happens) Ex: We've been married for 20 years. Ex: He's lived there for 6 months. tips: "numbers" will go after "for" ✗: How long have you been married for? ✓: How long have you been married? 3. since(a specific time in the past and that action has continued from that time in the past to the present) Ex: I 've been for " All Ears English since 2019. Ex: My car has been in the shop since Tue. Since when(idiomatic, to express surprise, anger, doubt )

AEE 2305: Since When? How to Use Time Phrases in English 1. ago, refers to a completed period of time in the past . you have to share how long ago that happened. eg, i turned that project 3days ago. how long ago you started to learn Spanish ? wow, it's been a while, 25years ago. 2. for, refers to a period of time that something happens. after for we should see a number. eg, how long have you been married ?(省掉for) we have been married for 20years. ( this 20years time period is how long the marrage has) how long has he live there ? he has lives there for 6months. i have been learning for 3years. 3. since, this indicates a specific time in the past and that the action has continued from that time of pass up to the present. we often use a specific dates like i have been working for All Ear English since 2019 . my car has been in the shop since Thursday. started in the past and continuing until now . 4. since when 从什么时候开始：用于质疑某人所说或所做的事情的时间点。 use to express either surprise, anger, annoyance or doubt about something someone has said, and you might respond with since when ? a fun way to push back a little bit, normally we use it in close friends, families, people you can tease, you know something about them . Lindsay since when do you ... ball ? just got a ball 2weeks ago, and i am hooked入迷的 how long have you been in the river ? let's see, we have been here since 7am, so for about 3hours. oh nice, we have a late start, so we only got a 30minutes ago. so fun .