1. Future
1.1. Simple
1.1.1. (+) S+will+V1 (?) will + S + V1? (-) S + won’t+ V1
1.1.1.1. tomorrow, next week...
1.2. Continuous
1.2.1. (+) S + will be + Ving (?) will + S + be + Ving? (-) S + will not be+ Ving.
1.3. Perfect
1.3.1. (+) S + will have + V3 (?) Will + S + have + V3? (-) S + will not(won't) + have + V3
1.3.1.1. I'll have written the letter before he comes...
1.4. Perfect Continuous
1.4.1. (+) S + will have been + Ving (?) Will + S + have been + Ving
2. Present
2.1. Simple
2.1.1. (+) S + V1/Vs (?) Do + S + V1? Does + S + V1? (-) S + don’t/doesn’t + V1
2.1.1.1. Always, often...
2.2. Continous
2.2.1. (+) I am He/ she/ it is + Ving We/You/ they are (?)Am + I + Ving? Are we/you/they Ving? Is + he/she/it + Ving? (-) I’m not He/ she/ it isn’t + Ving We/You/ they aren’t
2.2.1.1. now...
2.3. Perfect
2.3.1. (+) S + have/has + V3 (?) Have/has +S +V3 (-) S + haven’t/hasn’t +V3
2.3.1.1. this week, today, recently, lately..
2.4. Perfect Continuous
2.4.1. (+) S + have/has been + Ving (?) Have/Has + S + been + Ving?
2.4.1.1. since...
2.4.1.1.1. I have been reading since 2 о 'clock...
3. Past
3.1. Simple
3.1.1. (+) S + V2/ed
3.1.2. (?) Did + S + V1?
3.1.2.1. yesterday, last year/month/week, two days ago, in 1999
3.1.3. (-) S + didn’t + V1
3.2. Continuous
3.2.1. (+) S + was/were + Ving (?) Was/Were + S + Ving? (-) S + wasn't/weren't + Ving
3.2.1.1. While...
3.2.1.1.1. I was writing a letter at 7 o'clock yesterday..
3.3. Perfect
3.3.1. (+) S + had + V3 (?) Had + S + V3? (-) S + hadn't + V3
3.3.1.1. By...
3.3.1.1.1. I had written a letter by 7 о 'clock.yesterday...