Ling portal online school presents all about synths in English grammar how to use synths in English in this grammar lesson we will be speaking about the word since and its usage in English grammar since plays various roles in English speech and can act as a preposition adverb or conjunction we use since in the following cases when we're mentioning time or event in the past when we're introducing reasons or explanations since to refer to a point in time we use since to mention a time or event in the past when we're describing an event or situation
that happened after that time in this case since acts as a preposition with a date a time or a noun phrase now memorize the rule since plus point in time since always has to be followed by a date or moment of time when an action started here are the examples it was the artist's first live performance since June 2019 since plus date she has been happily married since the age of 23. since plus noun phrase please note since cannot be followed by a time period we use four with a period to express duration from the
beginning till the end of the period for example I have not seen him for five years since to introduce a subordinate clause you can use since as a conjunction in order to introduce a subordinate clause here are the examples since moving to America I've eaten a lot more hot dogs since plus clause it's so long since I saw my son since plus clause tenses with synths in case when since introduces an action or event at the point of time in the past we can use the past simple or present perfect after since since I moved
to Dublin or since I've moved to Dublin I haven't seen my son note the common mistake she is out of the office since you last phoned using present simple is the mistake the present perfect tense should be used she has been out of the office since you last phoned tenses with expression it plus b plus time plus since we can use the past simple present perfect or past perfect with the expression it plus b plus time plus since for example it is years since I drove a car we use past simple it is years since
I've driven a car in this case we use the present perfect here are the following set of examples it has been years since I drove a car it has been years since I've driven a car it had been years since I'd driven a car since plusing form we use synths plus ing form to refer to time when the subject of the verb is the same in the main clause and the subordinate clause since leave in school she has had three or four temporary jobs you can see that the subject she is the same since she
left school she has had three or four temporary jobs since or since then with an adverb of time we can use since or since then as an adverb of time when the time reference is understood from the context they bought the house in 2010 and they've done a lot of work on it since then in this case since then means since 2010 sins in order to give a reason when we want to give a reason for something we use sins as a subordinating conjunction in order to introduce a subordinate clause I'm forever losing things since
I'm quite forgetful Alex had no reason to take a taxi since his office was near to walk to I am sure that everything is clear about since stay with us and enjoy your English learning