Mô tả so sánh bằng hình ảnh:
- Bên trái là Tôi đã hoàn thành sơn phòng ngủ rồi
- Bên phải là Tôi đã đang hoàn thành sơn phòng ngủ (chưa sơn xong)
|+ Her bedroom was green. Now it is yellow. She has painted her bedroom.|
+ Has painted isthepresentperfectsimple.
+ Here, the important thing is that something has been finished. Has painted is a completed action. We are interested in the result of the activity (the painted bedroom), not the activity itself.
|+ There is paint on Kate’s clothes.|
+ She has been painting her bedroom.
+ Has been painting isthepresentperfect continuous.
+ We are thinking of the activity, it does not matter whether it has been finished or not. In this example, the activity (painting the bedroom) has not been finished.
Minh hoạ thêm về so sánh 2 thì này:
|My hands are very dirty. I have been repairing my bike.||My bike is OK again now. I have repaired it|
|Joe has been eating too much recently. He should eat less.||Somebody has eaten all the chocolates. The box is empty|
|It’s nice to see you again. What have you been doing since we last met?||Where’s the book I gave you? What have you done with it?|
|Where have you been? Have you been playing tennis?||Have you ever played tennis?|
Ví dụ thêm:
|We use the continuous to say how long (for something that is still happening):||We use the simple to say how much, how many or how many times:|
|How long have you been reading that book?||How much of that book have you read?|
|Lisa is writing emails. She has been writing emails all morning.||I Lisa is writing emails. She has sent lots of emails this morning.|
|They have been playing tennis since 2 o’clock.||They have played tennis three times this week.|
|I’m learning Arabic, but I have not been learning it very long.||I’m learning Arabic, but I have not learnt very much yet.|
Some verbs (for instance, know/ like /believe) are not normally used in the continuous:
- I have known about the problem for a long time, (not I’ve been knowing)
- How long have you had that camera? (not have you been having)
But note that you can use ‘want‘ and ‘mean‘ in the present perfect continuous:
- I’ve been meaning to phone Jane, but I keep forgetting.