1. STRUCTURE
1.1. ELEMENTS
1.1.1. PERFECT
1.1.1.1. AUXILIARY VERB
1.1.1.1.1. HAVE
1.1.1.2. +
1.1.1.2.1. PAST PARTICIPLE
1.1.1.2.2. ->
1.1.2. CONTINUOUS TENSE
1.1.2.1. :one: VERB TO BE
1.1.2.1.1. AM / IS / ARE ------------------- WAS / WERE
1.1.2.1.2. +
1.1.2.2. TEST
1.1.3. MODALS
1.1.3.1. CAN COULD SHOULD
2. TENSES
2.1. PRESENT PERFECT SIMPLE
2.1.1. PERFECT
2.1.1.1. AUXILIARY VERB
2.1.1.1.1. HAVE
2.1.1.2. +
2.1.1.2.1. PAST PARTICIPLE
2.1.1.2.2. ->
2.1.2. PRESENT
2.1.2.1. HAVE / HAS
2.1.3. SIMPLE
2.1.3.1. NOT CONTINUOUS
2.1.4. EXAMPLE
2.1.4.1. I HAVE BEEN HERE FOR 30 MINUTES
2.1.4.2. I HAVE LIVED IN BALNEARIO FOR 2 YEARS.
2.1.4.3. I HAVE SEEN BATTLE STAR GALACTICA ...
2.2. PRESENT PERFECT CONTINUOUS
2.2.1. EXAMPLE
2.2.1.1. I HAVE BEEN STUDYING HERE FOR 5 YEARS.
2.2.2. PRESENT
2.2.2.1. HAVE
2.2.3. PERFECT
2.2.3.1. HAVE
2.2.3.1.1. +
2.2.4. CONTINUOUS
2.2.4.1. TO BE
2.2.4.1.1. +
2.2.5. HAVE + PP + TO BE + ING
2.2.5.1. HAVE [PP OF TO BEE] + ING
2.2.6. HAVE BEEN DOING
2.3. PAST PERFECT SIMPLE
2.3.1. PERFECT
2.3.1.1. AUXILIARY VERB
2.3.1.1.1. HAVE
2.3.1.2. +
2.3.1.2.1. PAST PARTICIPLE
2.3.1.2.2. ->
2.3.2. PAST
2.3.2.1. HAVE->HAD
2.3.3. EXAMPLE
2.3.3.1. I HAD BEEN THERE BEFORE
2.4. PAST PERFECT CONTINUOUS
2.4.1. EXAMPLE
2.4.1.1. I HAD BEEN STUDYING
2.5. MODAL PERFECT
2.5.1. PERFECT
2.5.1.1. HAVE + PP
2.5.2. MODAL
2.5.2.1. CAN SHOULD COULD
2.5.3. MODAL + PERFECT
2.5.3.1. EXAMPLE
2.5.3.1.1. I SHOULD
2.6. FUTURE PERFECT SIMPLE
2.6.1. FUTURE
2.6.1.1. WILL
2.6.2. PERFECT
2.6.2.1. HAVE
2.6.2.1.1. +
2.6.3. SIMPLE
2.6.4. WILL + HAVE + PP
2.7. FUTURE PERFEECT CONTINUOUS
2.7.1. FUTURE
2.7.1.1. WILL
2.7.2. PERFECT
2.7.3. CONTINUOUS
2.7.3.1. TO BE + ING
2.7.4. WILL HAVE TO BE ING
2.7.5. WILL HAVE BEEN ING
2.8. MODAL PERFECT CONTINUOUS
2.8.1. PERFECT
2.8.1.1. HAVE + PP
2.8.2. CONTINUOUS
2.8.2.1. TO BE + ING
2.8.3. MODAL
2.8.3.1. CAN SHOULD COULD
2.8.4. MODAL + PERFECT
2.8.4.1. EXAMPLE
2.8.4.1.1. I SHOULD
2.8.5. MODAL + HAVE + PP + TO BE + ING
2.8.6. MODAL HAVE BEEN ING
2.8.7. EXAMPLE
2.8.7.1. I SHOULD HAVE BEEN STUDYING