The perfect aspect: explain a state due to something that happened before.
I have never been to Mexico.
She has lived here for thirty years.
The perfect aspect is used to talk about an action that happened before a focus time. The focus time can be past, present or future. The action is connected to the focus time. So, the perfect aspect tells us that the focus time is like this because of something that happened before.
In the present perfect, we are saying that now is different because of something that happened sometime before.
I have eaten lunch.Read more · 続きを読む
Know when to say "boring" or "bored", or "interesting" and "interested".
To know the difference between "boring" or "bored", or "interesting" and "interested", it helps if you know the reasons for the difference. One comes from grammar: the past participle (PP) (VERB+ED/過去分詞) and one comes from the present participle (VERB+ING/現在分詞). So one way to understand the difference is to think about the grammar roots. But there are other ways:
The present participle is made the following way:
[VERB]+ingRead more · 続きを読む
A short list of all the ways to speak about the past in English.