Learn how to answer questions with 'how long' using 'for' and 'since'. The podcast explains the difference between present perfect tense and past simple tense, explores the use of present perfect for ongoing situations, and discusses the use of 'for' and 'since' in the present perfect tense.
The words 'for' and 'since' are used with the present perfect tense to indicate the starting point and duration of a situation.
The present perfect continuous tense is used to ask about the length of time an activity or situation has been in progress.
Deep dives
Using 'for' and 'since' with the present perfect tense
The podcast episode discusses how the words 'for' and 'since' can be used with the present perfect tense. The present perfect tense is used to talk about situations that started in the past and are still happening. The word 'since' is used to refer to a specific point in the past when the situation started, while 'for' is used to indicate the duration of the situation. The podcast provides examples to illustrate these concepts, such as 'I've lived in Paris since 1996' and 'I've known Alex for 20 years'.
Asking about duration using the present perfect continuous tense
In addition to the present perfect simple tense, the podcast also introduces the present perfect continuous tense for asking about temporary or unfinished situations and activities. An example is given as 'How long have you been working at the BBC?' This tense is used when inquiring about the length of time an activity or situation has been in progress, similar to the present perfect simple tense. The episode concludes with a quiz to test understanding of the usage of 'for' and 'since' in the present perfect tense.