this
determiner
ðɪs 
ðɪs ðiːz ðiːz 
1 used to refer to a particular person, thing or event that is close to you, especially compared with anotherHow long have you been living in this country?Well, make up your mind. Which do you want? This one or that one?I think you'll find these more comfortable than those.Is this your bag?2 used to refer to something/somebody that has already been mentionedThere was a court case resulting from this incident.The boy was afraid and the dog had sensed this.What's this I hear about you getting married?3 used for introducing somebody or showing something to somebodyHello, this is Maria Diaz (= on the telephone).Jo, this is Kate (= when you are introducing them).This is the captain speaking.Listen to this.Do it like this (= in the way I am showing you).4 used with periods of time related to the presentthis week/month/yearI saw her this morning (= today in the morning).Do you want me to come this Tuesday (= Tuesday of this week) or next Tuesday?Do it this minute (= now).He never comes to see me these days (= now, as compared with the past).5 this something of somebody's (informal) used to refer to somebody/something that is connected with a person, especially when you have a particular attitude towards it or themThese new friends of hers are supposed to be very rich.6 (informal) used when you are telling a story or telling somebody about somethingThere was this strange man sitting next to me on the plane.I've been getting these pains in my chest.Idioms
