This is a systematic grammar of the English language. It aims to give examples and explanations of all of the grammatical forms in English, once it is complete. The best place to start is with the index. If you want to see how English uses a particular form, look for its name (e.g., “uncountable noun”)… Read more

Remember that a present perfect is a present tense, not a past tense. When we use the present perfect, we are thinking about now, and talking about something before now which still connects to now. If you had visited Korea and then came to my country, I could ask you, “How long were you in… Read more

RepeatedWe use the continuous form for repeated actions, actions which happen again and again.The door was banging because of the wind. It woke me up.The door did not bang only one time: it banged many times. We use the continuous form this way especially for short actions. Length of TimeWe often use the continuous form… Read more