1. Th hin ti n:Form:(+) S + V/ V(s;es) + Object...(-) S + do/ does not + V ?(?) Do/ Does + S + V?

Cch s dng:-Din t nng lc bn thn:VD: He plays tennis very well.

-Thi quen hin ti:VD: I watch TV every night.

-S tht hin nhin;Chn l ko th ph nhn:VD: The sun rises in the East and sets in the West.

-Din t hnh ng xy ra theo lch trnh, thi gian biu nh sn, c bit l cc ng t di chuynVD: The train leaves at 7.00 am in the morning.

Cc trng t i km:always; usually; often; sometimes; occasionally; ever; seldom; rarely; every...Cch thm s,es vo ng t khi th khng nh ca th hin ti n:

-Khi ch ng l "I / You / We / They v cc ch ng s nhiu khc th gi nguyn ng t

-khi ch ng l "He / She / It v cc ch ng s t khc" thm "s" hoc "es" sau ng tVi nhng ng t tn cng bng "o,x, ch, z, s, sh" th ta thm "es" vo sau, cn cc ng t khc th thm s

Khi ng t tn cng l "y" th i "y" thnh "i" v thm "es" vo sau ng tCch pht m s,es:/iz/: cc ng t kt thc bng ui: ce, x, z, sh, ch, s, ge/s/:cc ng t kt thc bng t, p, f, k, th/z/:khng c trong hai trng hp trn

2. Hin ti tip din:Form:(+) S + is/am/are + Ving(-) S + is/am/are not + Ving(?) Is/Am/ Are + S + Ving ?Cch s dng:-ang xy ra ti thi im niVD: Im doing my homework at this time.-Sp xy ra c d nh t trc trong tng lai gn.VD: Im going to the cinema tomorrow evening-Khng dng vi cc ng t chi gic nh: SEE; HEAR; LIKE; LOVE...Cc trng t i km:At the moment; at this time; right now; now; immediately

3. Hin ti hon thnh:Form:(+) S + have/has + PII(-) S + have/has not + PII(?) Have/ Has + S + PIICch s dng:- Xy ra trong qu kh, kt qu lin quan n hin ti.( Nhn mnh n kt qu ca hnh ng)VD: We have played soccer since we were children.

-Din t hnh ng xy ra, hoc cha xy ra thi im khng xc nh trong qu khVD: She has been in China for a long time.

Cc trng t hay i km:just; recently; lately; ever; never; already; yet; since; for; so far; until now; up to now; up to present..

4. Hin ti hon thnh tip din:Form:(+) S + have/has been + Ving(-) S + have/has been + Ving(?) Have/Has + S + been + Ving

Cch s dng:-Xy ra trong qu kh, ko di n hin ti v c th tip tc xy ra trong tng lai. ( Nhn mnh tnh lin tc ca hnh ng) VD:Cc trng t i km:just; recently; lately; ever; never; since; for.5. Qu kh n:Form:(+) S + Ved/ PI-ct 2 trong bng ng t bt quy tc.(-) S + didnt + V(?) Did + S + VCch s dng:-Xy ra v chm dt hon ton trong qu kh.-Nhiu hnh ng xy ra lin tip trong qu kh.-Trong cu iu kin loi 2.Cc trng t i km:Yesterday; the day before yesterday; ago; already; last; in + mc thi gian trong qu kh.Cch c ed:/id/: t,d/t/: c, ch, s, f, k, p x, sh/d/: cc trng hp cn li6. Qu kh tip din:Form:(+) S + was/ were + Ving(-) S + was / were not + Ving.(?) Was/ Were + S + Ving.Cch s dng:-Cc hnh ng xy ra ti 1 thi im xc nh trong qu kh-Nhiu hnh ng xy ra ng thi trong qu kh.-Mt hnh ng ang xy ra 1 hnh ng khc xen vo: hnh ng ang xy ra dng QKTD; hnh ng xen vo dng QK.Cc t ni i km:While; when.7. Qu kh hon thnh:Form:(+) S + had + PII(-) S + had not + PII(?) Had + S + PIICch s dng:-Mt hnh ng xy ra trc 1 hnh ng khc trong QK ( hnh ng xy ra trc dng QKHT; hnh ng xy ra sau dng QK)-Hnh ng xy ra trc 1 thi im xc nh trong qu kh.-Trong cu iu kin loi 3.Cc trng t i km:before; after; when; while; as soon as; by(trc); already; never; ever; until...8. Qu kh hon thnh tip din (t dng):Form:(+) S + had been + Ving(-) S + hadnt been + ving(?) Had + S + been + VingCch s dng:- Ch hnh ng v ang din ra v c th hon tt trc 1 hnh ng khc trong qu kh ( nhn mnh n tnh lin tc ca hnh ng)Cc trng t i km:before; after; when; while; as soon as; by(trc); already; ever; until

9. Tng lai n:Form:(+) S + will/ shall + V (will ngy nay c th dng vi tt c cc(-) S + will/ shall not + V ngi nhng shall dng vi I v WE )(?)Will / Shall + S + VCch s dng:-Sp xy ra trong tng lai khng c d nh trc.-Cu yu cu; ngh; li ha; d on cho tng lai.-Trong cu iu kin loi 1.Cc trng t i km:tomorrow; the day after tomorrow; next; in + thi gian tng laiTng lai gn:Form:(+) S + is/am/are + going to + V(-) S + is/am/ are not + going to + V(?)Is/Am/ Are + S + going to + VCch s dng:-Sp xy ra trong tng lai c d nh trc.-Chc chn s xy ra trong tng lai theo 1 tnh hung cho trc.Cc trng t i km: tomorrow; the day after tomorrow; next; in+ thi gian tng lai10. Tng lai tip din:Form:(+) S + will / shall + be + Ving(-) S + will / shall not + be + Ving(?) Will / Shall + S + be + VingCch s dng:-ang xy ra ti thi im xc nh trong tng lai.-Nhiu hnh ng xy ra ng thi trong tng lai.Cc trng t i km: cc trng t nh trong tng lai n; nhng phi da vo tng hon cnh c th chia th.11. Tng lai hon thnh:Form:(+) S + will / shall + have + PII(-) S will/ shall not + have + PII(?) Will / Shall + S + have + PIICch s dng:-Mt hnh ng xy ra trc 1 hnh ng khc trong tng lai.-Mt hnh ng xy ra trc 1 thi im xc nh trong tng lai.Cc trng t hay i km:By the time; By + mc thi gian trong qu kh.

12.Tng lai hon thnh tip din:Form:(+) S + will have been + Ving(-) S + wont have been + Ving(?) Will + S + have been + VingCch s dng:-Kt hp vi mnh thi gian ( by the time + th hin ti n )-Din t hnh ng v ang xy ra v c th hon tt trc 1 hnh ng khc trong tng lai.Du hiu nhn bit:By the time + mnh thi gian th hin ti; by + ngy/ gi.(Su tm) See more at: http://oxford.edu.vn/goc-tieng-anh/hoc-tieng-anh-cung-oxford/tong-quat-12-thi-co-ban-trong-tieng-anh-571.html#sthash.Di7vQY87.dpuf