Grammar Rules for Present Perfect, Future Tense, and Simple Present
Learn about using "since" with points in time, "for" with periods of time, forming sentences with "have/has + past participle", using the present perfect tense, signal words, simple future tense, and present simple tense with examples and explanations.
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Presentation Transcript
Since - We use since with a point in time. Since 1995 Since last week Since then Since her birthday Since three o clock Since
For For We use for with period of time For ten years For five minutes For hours For three days For a long time
Forms: (+) S + have/has + past participle(PII) I have ( ve) bought a new car. She has ( s) lived in Africa. (-) S + have not/has not + PII (haven t /hasn t) I haven t ridden a horse. She hasn t slept on the beach (?) Have/Has + S + PII ? Yes, S + have/has. No, S + haven t/hasn t Have you bought a new car? Yes, I have or No, I haven t
Use: We use the present perfect tense When we are referring to a time frame that comes up to the present. Eg: I ve been to London three times. When we are interested in the present result of a past action. Eg: I ve bought a new car. When a situation or activity started in the past and continues in the present. Eg: We ve lived here for ten years.
Signal words so far = until now = up to now = up to the present in/ for/ during/ over + the past/ last + th i gian During the past 2 years: trong 2 n m qua)
Type 1: If + S + V(present simple) , S + will + V 4. Simple future tense (+) S + will + V (-) S + will + not+ V (?) Will + S + V? Yes, S + will. No, S + won't.
1. Dng din t mt quyt nh, nh ny ra tc th i ngay t i th i i m n i. 2. Di n t m t d o n mang t nh ch quan kh ng c c n c . Signal words Trong c u c nh ng ng t ch quan i m nh : - think/ believe/ suppose/promise/hope - perhaps/ probably/maybe
Forms: (+) S (-) S+ don t / doesn t + V + (?) Do / Does +S +V + ? Forms: (+) S + + V V/ V(s / / V(s /es es) ) + + Use: We use the present simple tense to describe things that happen regularly and general truth. Use:
Forms: (+) S + ( (- -) S + (?) (W/h) Tobe + S + We use the present continuous tense to : - Say what is happening at the moment. Eg: We are learning English at the moment. - Describe a temporary state. Eg: I m staying with my friends this week. - Describe a future arrangement. Eg: I m meeting my boyfriend this afternoon. (+) S + tobe ) S + tobe.not (?) (W/h) Tobe + S + V.ing tobe + tobe.not + + V.ing + V.ing V.ing V.ing V.ing? ?
Forms: (+) S + V.ed/ irregular V + O (-) S + didn t + V + O (?) Did + S + V + O? Use: A completed action at a definite time in the past. A habitual action in the past.
Quy tc thm ed: i v i ng t c quy t c, th m ed v o sau c c ng t . i v i ng t k t th c l m t ph m, tr c ph m l m t nguy n m, ta nh n i ph m cu i th m ed. eg: stop => stopped stopped eg: watch => watched watched N u t n c ng c a ng t l y, tr c -y l m t ph m, ta i y th nh i r i th m ed: eg: try => tried tried
Mt s ng t bt quy tc: Be => was/were cut => cut become => became come => came C c tra ng t i k m: Last (week, year, night), yesterday, ago.
Comparative S + tobe + short ADJ er than Nam is taller than S + tobe + more + long ADJ than This problem is more difficult Equal S + Lan is as young as taller than me more difficult than than that one S + tobe tobe as as young as my younger as + + ADJ ADJ + as + as
Superlative S + tobe + the short She is the tallest girl in my class S + tobe + the most +long Adj Health is the most important thing in my life the short Adj Adj + + est est
(+) S + was / were + V-ing Eg: I was having a shower We were waiting for a bus. (-) S + was not / were not + V-ing ( wasn't / weren't) Eg: I wasn't having a shower (?) Was / Were + S + V-ing Yes, S + was/were No, S + wasn't/ weren't Eg: Were you waiting for a bus ? Yes, we were ?
