Tenses berooo !!

1. Present tense

Simple present tense

(+) S + V1/Vs + O

(-) S + Do/Does + Not + V1 + O

(?) Do/Does + S + V1 + O ?

Present continuous tense

(+) S + tobe + V.ing + O

(-) S + tobe + not + V.ing + O

(?) Tobe + S + V.ing + O ?

Present perfect tense

(+) S + have/has + V2 + O

(-) S + have/has + not + V2 + O

(?) Have/has + S + V2 + O ?

Present perfect continuous tense

(+) S + have/has + been + V.ing + O

(-) S + have/has + not + been + V.ing + O

(?) Have + S + been + V.ing + O ?

2. Past tense

Simple past tense

(+) S + V2 + O

(-) S + did + not + V1 + O

(?) Did + S + V1 + O ?

Past continuous tense

(+) S + was/were + V.ing + O

(-) S + was/were + not + V.ing + O

(?) Was/were + S + V.ing + O ?

Past perfect tense

(+) S + had + V3 + O

(-) S + had + not + V3 + O

(?) Had + S + V3 + O ?

Past perfect continuous tense

(+) S + had + been + V.ing + O

(-) S + had + not + been + V.ing + O

(?) Had + S + been + V.ing + O ?

3. Future tense

Simple future tense

(+) S + shall/will + V1 + O

(-) S + shall/will + not + V1+ O

(?) Shall/will + S + V1 + O ?

Future continuous tense

(+) S + shall/will + be + V.ing + O

(-) S + shall/will + not + be + V.ing + O

(?) Shall/will + S + be + V.ing + O ?

Future perfect tense

(+) S + shall/will + have + V3 + O

(-) S + shall/will + not + have + V3 + O

(?) Shall/will + S + have + V3 + O ?

Future perfect continuous tense

(+) S + shall/will + have + been + V.ing + O

(-) S + shall/will + not + have + been + V.ing + O

(?) Shall/will + S + have + been + V.ing + O ?

4. Past future tense

Simple past future tense

(+) S + should/would + V1 + O

(-) S + should/would + not + V1 + O

(?) Should/would + S + V1 + O ?

Past future continuous tense

(+) S + should/would + be + V.ing + O

(-) S + should/would + not + be + V.ing + O

(?) Should/would + S + be + V.ing + O ?

Past future perfect tense

(+) S + should/would + have + V2 + O

(-) S + should/would + not + have + V2 + O

(?) Should/would + S + have + V2 + O ?

Past future perfect continuous tense

(+) S + should/would + have + been + V.ing + O

(-) S + should/would + not + have + been + V.ing + O

(?) Should/would + S + have + been + V.ing + O ?

 source this examples : http://www.englishpage.com/verbpage/verbtenseintro.html

Simple Present	Simple Past	Simple Future
I study English every day.	Two years ago, I studied English in England.	If you are having problems, I will help you study English. I am going to study English next year.
Present Continuous	Past Continuous	Future Continuous
I am studying English now.	I was studying English when you called yesterday.	I will be studying English when you arrive tonight. I am going to be studying English when you arrive tonight.
Present Perfect	Past Perfect	Future Perfect
I have studied English in several different countries.	I had studied a little English before I moved to the U.S.	I will have studied every tense by the time I finish this course. I am going to have studied every tense by the time I finish this course.
Present Perfect Continuous	Past Perfect Continuous	Future Perfect Continuous
I have been studying English for five years.	I had been studying English for five years before I moved to the U.S.	I will have been studying English for over two hours by the time you arrive. I am going to have been studying English for over two hours by the time you arrive.