Level A1
Imperative Mood
Open the door, please.
Look: Open the door, please. The verb Open comes first.
Forms
Open the door, please.— a request starts with the base verb and has no subjectPlease listen carefully.— please may come first - the verb keeps its base formShe opens the door.— with She it is a statement, and -s belongs there
A common mistake
Wrong: You open the door, please.
Right: Open the door, please.
Many people say You open the door, please, but a request has no subject. We say: Open the door, please.
More examples
Wait here, please.
The same here: Wait here, please.
Look at the picture.
And here: Look at the picture.